79540265985928 has 16 divisors (see below), whose sum is σ = 162695998607760. Its totient is φ = 36154666357200.

The previous prime is 79540265985923. The next prime is 79540265985941. The reversal of 79540265985928 is 82958956204597.

It is a super-2 number, since 2×79540265985928² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79540265985923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451933329378 + ... + 451933329553.

It is an arithmetic number, because the mean of its divisors is an integer number (10168499912985).

Almost surely, 2^{79540265985928} is an apocalyptic number.

It is an amenable number.

79540265985928 is an abundant number, since it is smaller than the sum of its proper divisors (83155732621832).

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

79540265985928 is a wasteful number, since it uses less digits than its factorization.

79540265985928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903866658948 (or 903866658944 counting only the distinct ones).

The product of its (nonzero) digits is 3919104000, while the sum is 79.

The spelling of 79540265985928 in words is "seventy-nine trillion, five hundred forty billion, two hundred sixty-five million, nine hundred eighty-five thousand, nine hundred twenty-eight".