79357804985936 has 40 divisors (see below), whose sum is σ = 153861154655400. Its totient is φ = 39651703603200.

The previous prime is 79357804985891. The next prime is 79357804985951. The reversal of 79357804985936 is 63958940875397.

It can be written as a sum of positive squares in 4 ways, for example, as 35766858691600 + 43590946294336 = 5980540^2 + 6602344^2 .

It is a super-2 number, since 2×79357804985936² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 465331850 + ... + 465502358.

It is an arithmetic number, because the mean of its divisors is an integer number (3846528866385).

Almost surely, 2^{79357804985936} is an apocalyptic number.

It is an amenable number.

79357804985936 is a deficient number, since it is larger than the sum of its proper divisors (74503349669464).

79357804985936 is a wasteful number, since it uses less digits than its factorization.

79357804985936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190287 (or 190281 counting only the distinct ones).

The product of its (nonzero) digits is 12345177600, while the sum is 83.

The spelling of 79357804985936 in words is "seventy-nine trillion, three hundred fifty-seven billion, eight hundred four million, nine hundred eighty-five thousand, nine hundred thirty-six".