80769864 has 32 divisors (see below), whose sum is σ = 230771520. Its totient is φ = 23077056.

The previous prime is 80769851. The next prime is 80769881. The reversal of 80769864 is 46896708.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 240219 + ... + 240554.

It is an arithmetic number, because the mean of its divisors is an integer number (7211610).

Almost surely, 2^80769864 is an apocalyptic number.

80769864 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

80769864 is an abundant number, since it is smaller than the sum of its proper divisors (150001656).

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

80769864 is a wasteful number, since it uses less digits than its factorization.

80769864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480789 (or 480785 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 80769864 is about 8987.2055723679. The cubic root of 80769864 is about 432.2647125899.

The spelling of 80769864 in words is "eighty million, seven hundred sixty-nine thousand, eight hundred sixty-four".