65336880 has 80 divisors (see below), whose sum is σ = 231485184. Its totient is φ = 14933760.

The previous prime is 65336861. The next prime is 65336891. The reversal of 65336880 is 8863356.

It is a tau number, because it is divible by the number of its divisors (80).

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, 17766 + ... + 21125.

Almost surely, 2^65336880 is an apocalyptic number.

65336880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65336880 is an abundant number, since it is smaller than the sum of its proper divisors (166148304).

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

65336880 is a wasteful number, since it uses less digits than its factorization.

65336880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38914 (or 38908 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 65336880 is about 8083.1231587797. The cubic root of 65336880 is about 402.7659957482.

The spelling of 65336880 in words is "sixty-five million, three hundred thirty-six thousand, eight hundred eighty".