863564465368 has 48 divisors (see below), whose sum is σ = 1783991850480. Its totient is φ = 391596744000.

The previous prime is 863564465339. The next prime is 863564465381.

863564465368 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 651988 + ... + 1467043.

It is an arithmetic number, because the mean of its divisors is an integer number (37166496885).

Almost surely, 2^863564465368 is an apocalyptic number.

863564465368 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

863564465368 is an abundant number, since it is smaller than the sum of its proper divisors (920427385112).

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

863564465368 is a wasteful number, since it uses less digits than its factorization.

863564465368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119480 (or 2119465 counting only the distinct ones).

The product of its digits is 298598400, while the sum is 64.

The spelling of 863564465368 in words is "eight hundred sixty-three billion, five hundred sixty-four million, four hundred sixty-five thousand, three hundred sixty-eight".