864437203432 has 32 divisors (see below), whose sum is σ = 1768444564320. Its totient is φ = 392864322240.

The previous prime is 864437203391. The next prime is 864437203453. The reversal of 864437203432 is 234302734468.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204858 + ... + 1330729.

It is an arithmetic number, because the mean of its divisors is an integer number (55263892635).

Almost surely, 2^864437203432 is an apocalyptic number.

It is an amenable number.

864437203432 is an abundant number, since it is smaller than the sum of its proper divisors (904007360888).

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

864437203432 is a wasteful number, since it uses less digits than its factorization.

864437203432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542001 (or 1541997 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 46.

The spelling of 864437203432 in words is "eight hundred sixty-four billion, four hundred thirty-seven million, two hundred three thousand, four hundred thirty-two".