79572551855 has 8 divisors (see below), whose sum is σ = 100512697200. Its totient is φ = 60307618176.

The previous prime is 79572551837. The next prime is 79572551879. The reversal of 79572551855 is 55815527597.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79572551855 - 2¹⁰ = 79572550831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79572551794 and 79572551803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418802810 + ... + 418802999.

It is an arithmetic number, because the mean of its divisors is an integer number (12564087150).

Almost surely, 2^79572551855 is an apocalyptic number.

79572551855 is a deficient number, since it is larger than the sum of its proper divisors (20940145345).

79572551855 is a wasteful number, since it uses less digits than its factorization.

79572551855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837605833.

The product of its digits is 22050000, while the sum is 59.

The spelling of 79572551855 in words is "seventy-nine billion, five hundred seventy-two million, five hundred fifty-one thousand, eight hundred fifty-five".