78992345325 has 12 divisors (see below), whose sum is σ = 130600677728. Its totient is φ = 42129250800.

The previous prime is 78992345323. The next prime is 78992345413. The reversal of 78992345325 is 52354329987.

It is a happy number.

It is not a de Polignac number, because 78992345325 - 2¹ = 78992345323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78992345323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 526615561 + ... + 526615710.

Almost surely, 2^78992345325 is an apocalyptic number.

78992345325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

78992345325 is a deficient number, since it is larger than the sum of its proper divisors (51608332403).

78992345325 is a wasteful number, since it uses less digits than its factorization.

78992345325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053231284 (or 1053231279 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 57.

The spelling of 78992345325 in words is "seventy-eight billion, nine hundred ninety-two million, three hundred forty-five thousand, three hundred twenty-five".