80249664 has 56 divisors (see below), whose sum is σ = 231635808. Its totient is φ = 24317440.

The previous prime is 80249621. The next prime is 80249671. The reversal of 80249664 is 46694208.

It is a super-2 number, since 2×80249664² = 12880017144225792, which contains 22 as substring.

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, 16887 + ... + 21110.

Almost surely, 2^80249664 is an apocalyptic number.

It is an amenable number.

80249664 is an abundant number, since it is smaller than the sum of its proper divisors (151386144).

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

80249664 is a wasteful number, since it uses less digits than its factorization.

80249664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38023 (or 38013 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 80249664 is about 8958.2176798736. The cubic root of 80249664 is about 431.3347098455.

The spelling of 80249664 in words is "eighty million, two hundred forty-nine thousand, six hundred sixty-four".