86572222357 has 4 divisors (see below), whose sum is σ = 86574920320. Its totient is φ = 86569524396.

The previous prime is 86572222343. The next prime is 86572222367. The reversal of 86572222357 is 75322227568.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86572222357 - 2³⁵ = 52212483989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86572222357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86572222337) 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, 1300263 + ... + 1365220.

It is an arithmetic number, because the mean of its divisors is an integer number (21643730080).

Almost surely, 2^86572222357 is an apocalyptic number.

It is an amenable number.

86572222357 is a deficient number, since it is larger than the sum of its proper divisors (2697963).

86572222357 is a wasteful number, since it uses less digits than its factorization.

86572222357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697962.

The product of its digits is 2822400, while the sum is 49.

The spelling of 86572222357 in words is "eighty-six billion, five hundred seventy-two million, two hundred twenty-two thousand, three hundred fifty-seven".