79734747439008 has 144 divisors (see below), whose sum is σ = 231765199585920. Its totient is φ = 25990834541568.

The previous prime is 79734747439003. The next prime is 79734747439013. The reversal of 79734747439008 is 80093474743797.

79734747439008 is a `hidden beast` number, since 7 + 97 + 34 + 7 + 474 + 39 + 0 + 0 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (79734747439003) and next prime (79734747439013).

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-4 number, since 4×79734747439008⁴ (a number of 57 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (79734747439003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13585948 + ... + 18548516.

It is an arithmetic number, because the mean of its divisors is an integer number (1609480552680).

Almost surely, 2^{79734747439008} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79734747439008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115882599792960).

79734747439008 is an abundant number, since it is smaller than the sum of its proper divisors (152030452146912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79734747439008 is a wasteful number, since it uses less digits than its factorization.

79734747439008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963819 (or 4963808 counting only the distinct ones).

The product of its (nonzero) digits is 896168448, while the sum is 72.

The spelling of 79734747439008 in words is "seventy-nine trillion, seven hundred thirty-four billion, seven hundred forty-seven million, four hundred thirty-nine thousand, eight".