864358572231 has 64 divisors (see below), whose sum is σ = 1598047027200. Its totient is φ = 448584156000.

The previous prime is 864358572221. The next prime is 864358572263. The reversal of 864358572231 is 132275853468.

864358572231 is a `hidden beast` number, since 8 + 6 + 4 + 3 + 585 + 7 + 22 + 31 = 666.

864358572231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 864358572231 - 2¹⁰ = 864358571207 is a prime.

It is a super-2 number, since 2×864358572231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864358572221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1960006 + ... + 2360156.

It is an arithmetic number, because the mean of its divisors is an integer number (24969484800).

Almost surely, 2^864358572231 is an apocalyptic number.

864358572231 is a deficient number, since it is larger than the sum of its proper divisors (733688454969).

864358572231 is a wasteful number, since it uses less digits than its factorization.

864358572231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401217 (or 401211 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 864358572231 in words is "eight hundred sixty-four billion, three hundred fifty-eight million, five hundred seventy-two thousand, two hundred thirty-one".