864666352 has 40 divisors (see below), whose sum is σ = 1831726512. Its totient is φ = 392140800.

The previous prime is 864666323. The next prime is 864666367. The reversal of 864666352 is 253666468.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75808 + ... + 86464.

Almost surely, 2^864666352 is an apocalyptic number.

It is an amenable number.

864666352 is an abundant number, since it is smaller than the sum of its proper divisors (967060160).

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

864666352 is a wasteful number, since it uses less digits than its factorization.

864666352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11137 (or 11131 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 46.

The square root of 864666352 is about 29405.2096064626. The cubic root of 864666352 is about 952.6854219335.

The spelling of 864666352 in words is "eight hundred sixty-four million, six hundred sixty-six thousand, three hundred fifty-two".