79049138652 has 240 divisors, whose sum is σ = 231748957440. Its totient is φ = 23287737600.

The previous prime is 79049138647. The next prime is 79049138653. The reversal of 79049138652 is 25683194097.

79049138652 is a `hidden beast` number, since 7 + 90 + 491 + 3 + 8 + 65 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79049138653) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 50704249 + ... + 50705807.

It is an arithmetic number, because the mean of its divisors is an integer number (965620656).

It is a 1-persistent number, because it is pandigital, but 2⋅79049138652 = 158098277304 is not.

Almost surely, 2^79049138652 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 79049138652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115874478720).

79049138652 is an abundant number, since it is smaller than the sum of its proper divisors (152699818788).

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

79049138652 is a wasteful number, since it uses less digits than its factorization.

79049138652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 79049138652 in words is "seventy-nine billion, forty-nine million, one hundred thirty-eight thousand, six hundred fifty-two".