79324863940 has 48 divisors (see below), whose sum is σ = 190743864192. Its totient is φ = 27145069056.

The previous prime is 79324863929. The next prime is 79324864001. The reversal of 79324863940 is 4936842397.

It is a happy number.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468469 + ... + 614908.

It is an arithmetic number, because the mean of its divisors is an integer number (3973830504).

Almost surely, 2^79324863940 is an apocalyptic number.

79324863940 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

79324863940 is an abundant number, since it is smaller than the sum of its proper divisors (111419000252).

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

79324863940 is a wasteful number, since it uses less digits than its factorization.

79324863940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083916 (or 1083914 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 79324863940 in words is "seventy-nine billion, three hundred twenty-four million, eight hundred sixty-three thousand, nine hundred forty".