79051493808 has 300 divisors, whose sum is σ = 270529141872. Its totient is φ = 22214787840.

The previous prime is 79051493767. The next prime is 79051493809. The reversal of 79051493808 is 80839415097.

79051493808 is a `hidden beast` number, since 7 + 90 + 514 + 9 + 38 + 0 + 8 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (79051493809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3863541 + ... + 3883947.

Almost surely, 2^79051493808 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 79051493808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135264570936).

79051493808 is an abundant number, since it is smaller than the sum of its proper divisors (191477648064).

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

79051493808 is a wasteful number, since it uses less digits than its factorization.

79051493808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20502 (or 20480 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 79051493808 in words is "seventy-nine billion, fifty-one million, four hundred ninety-three thousand, eight hundred eight".