79100639424 has 140 divisors (see below), whose sum is σ = 242565021600. Its totient is φ = 25457628672.

The previous prime is 79100639363. The next prime is 79100639473. The reversal of 79100639424 is 42493600197.

It is a happy number.

79100639424 is a `hidden beast` number, since 7 + 9 + 1 + 0 + 0 + 639 + 4 + 2 + 4 = 666.

It is a super-2 number, since 2×79100639424² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79100639424.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 112744 + ... + 413415.

Almost surely, 2^79100639424 is an apocalyptic number.

It is an amenable number.

79100639424 is an abundant number, since it is smaller than the sum of its proper divisors (163464382176).

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

79100639424 is a wasteful number, since it uses less digits than its factorization.

79100639424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526212 (or 526193 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 79100639424 in words is "seventy-nine billion, one hundred million, six hundred thirty-nine thousand, four hundred twenty-four".