65904868 has 12 divisors (see below), whose sum is σ = 115932460. Its totient is φ = 32781312.

The previous prime is 65904851. The next prime is 65904893. The reversal of 65904868 is 86840956.

It can be written as a sum of positive squares in 2 ways, for example, as 5345344 + 60559524 = 2312^2 + 7782^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41913 + ... + 43456.

Almost surely, 2^65904868 is an apocalyptic number.

It is an amenable number.

65904868 is a deficient number, since it is larger than the sum of its proper divisors (50027592).

65904868 is a wasteful number, since it uses less digits than its factorization.

65904868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85566 (or 85564 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 65904868 is about 8118.1813234246. The cubic root of 65904868 is about 403.9297414011.

The spelling of 65904868 in words is "sixty-five million, nine hundred four thousand, eight hundred sixty-eight".