65308864 has 14 divisors (see below), whose sum is σ = 129597404. Its totient is φ = 32654400.

The previous prime is 65308843. The next prime is 65308889. The reversal of 65308864 is 46880356.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510162 + ... + 510289.

Almost surely, 2^65308864 is an apocalyptic number.

65308864 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

65308864 is a deficient number, since it is larger than the sum of its proper divisors (64288540).

65308864 is a wasteful number, since it uses less digits than its factorization.

65308864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020463 (or 1020453 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 65308864 is about 8081.3899794528. The cubic root of 65308864 is about 402.7084197649.

The spelling of 65308864 in words is "sixty-five million, three hundred eight thousand, eight hundred sixty-four".