80964672 has 28 divisors (see below), whose sum is σ = 214219536. Its totient is φ = 26988160.

The previous prime is 80964661. The next prime is 80964677. The reversal of 80964672 is 27646908.

It is a super-2 number, since 2×80964672² = 13110556224135168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80964677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210654 + ... + 211037.

Almost surely, 2^80964672 is an apocalyptic number.

It is an amenable number.

80964672 is an abundant number, since it is smaller than the sum of its proper divisors (133254864).

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

80964672 is a wasteful number, since it uses less digits than its factorization.

80964672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421706 (or 421696 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 80964672 is about 8998.0371192833. The cubic root of 80964672 is about 432.6119584970.

The spelling of 80964672 in words is "eighty million, nine hundred sixty-four thousand, six hundred seventy-two".