864886896 has 50 divisors (see below), whose sum is σ = 2503237352. Its totient is φ = 288295200.

The previous prime is 864886889. The next prime is 864886901. The reversal of 864886896 is 698688468.

864886896 is a `hidden beast` number, since 8 + 6 + 488 + 68 + 96 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 332380 + ... + 334971.

Almost surely, 2^864886896 is an apocalyptic number.

It is an amenable number.

864886896 is an abundant number, since it is smaller than the sum of its proper divisors (1638350456).

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

864886896 is a wasteful number, since it uses less digits than its factorization.

864886896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667371 (or 667356 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 63.

The square root of 864886896 is about 29408.9594511605. The cubic root of 864886896 is about 952.7664131706.

The spelling of 864886896 in words is "eight hundred sixty-four million, eight hundred eighty-six thousand, eight hundred ninety-six".