79557700618485 has 24 divisors (see below), whose sum is σ = 137900438099424. Its totient is φ = 42430643295840.

The previous prime is 79557700618453. The next prime is 79557700618489. The reversal of 79557700618485 is 58481600775597.

79557700618485 is a `hidden beast` number, since 7 + 9 + 5 + 577 + 0 + 0 + 6 + 1 + 8 + 48 + 5 = 666.

It is not a de Polignac number, because 79557700618485 - 2⁵ = 79557700618453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79557700618489) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 13105774 + ... + 18190016.

It is an arithmetic number, because the mean of its divisors is an integer number (5745851587476).

Almost surely, 2^{79557700618485} is an apocalyptic number.

It is an amenable number.

79557700618485 is a deficient number, since it is larger than the sum of its proper divisors (58342737480939).

79557700618485 is a wasteful number, since it uses less digits than its factorization.

79557700618485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5431985 (or 5431982 counting only the distinct ones).

The product of its (nonzero) digits is 592704000, while the sum is 72.

The spelling of 79557700618485 in words is "seventy-nine trillion, five hundred fifty-seven billion, seven hundred million, six hundred eighteen thousand, four hundred eighty-five".