862868564652 has 24 divisors (see below), whose sum is σ = 2040940260016. Its totient is φ = 283682815488.

The previous prime is 862868564633. The next prime is 862868564653. The reversal of 862868564652 is 256465868268.

It is a super-2 number, since 2×862868564652² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (862868564653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492504013 + ... + 492505764.

Almost surely, 2^862868564652 is an apocalyptic number.

It is an amenable number.

862868564652 is an abundant number, since it is smaller than the sum of its proper divisors (1178071695364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

862868564652 is a wasteful number, since it uses less digits than its factorization.

862868564652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985009857 (or 985009855 counting only the distinct ones).

The product of its digits is 265420800, while the sum is 66.

The spelling of 862868564652 in words is "eight hundred sixty-two billion, eight hundred sixty-eight million, five hundred sixty-four thousand, six hundred fifty-two".