79138029488 has 40 divisors (see below), whose sum is σ = 176020067328. Its totient is φ = 33764196672.

The previous prime is 79138029437. The next prime is 79138029517. The reversal of 79138029488 is 88492083197.

It is a super-2 number, since 2×79138029488² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1559306 + ... + 1609257.

Almost surely, 2^79138029488 is an apocalyptic number.

It is an amenable number.

79138029488 is an abundant number, since it is smaller than the sum of its proper divisors (96882037840).

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

79138029488 is a wasteful number, since it uses less digits than its factorization.

79138029488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168801 (or 3168795 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 59.

The spelling of 79138029488 in words is "seventy-nine billion, one hundred thirty-eight million, twenty-nine thousand, four hundred eighty-eight".