864483398512 has 80 divisors (see below), whose sum is σ = 1765387628992. Its totient is φ = 409647144960.

The previous prime is 864483398509. The next prime is 864483398531. The reversal of 864483398512 is 215893384468.

864483398512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3603328 + ... + 3835744.

Almost surely, 2^864483398512 is an apocalyptic number.

It is an amenable number.

864483398512 is an abundant number, since it is smaller than the sum of its proper divisors (900904230480).

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

864483398512 is a wasteful number, since it uses less digits than its factorization.

864483398512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232626 (or 232620 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 61.

The spelling of 864483398512 in words is "eight hundred sixty-four billion, four hundred eighty-three million, three hundred ninety-eight thousand, five hundred twelve".