80864764 has 6 divisors (see below), whose sum is σ = 141513344. Its totient is φ = 40432380.

The previous prime is 80864761. The next prime is 80864809. The reversal of 80864764 is 46746808.

It is a super-2 number, since 2×80864764² = 13078220113551392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80864764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80864761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10108092 + ... + 10108099.

Almost surely, 2^80864764 is an apocalyptic number.

It is an amenable number.

80864764 is a deficient number, since it is larger than the sum of its proper divisors (60648580).

80864764 is a wasteful number, since it uses less digits than its factorization.

80864764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20216195 (or 20216193 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 80864764 is about 8992.4837503328. The cubic root of 80864764 is about 432.4339418195.

The spelling of 80864764 in words is "eighty million, eight hundred sixty-four thousand, seven hundred sixty-four".