80732799 has 24 divisors (see below), whose sum is σ = 133559712. Its totient is φ = 46033920.

The previous prime is 80732791. The next prime is 80732803. The reversal of 80732799 is 99723708.

It is not a de Polignac number, because 80732799 - 2³ = 80732791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80732791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36279 + ... + 38439.

It is an arithmetic number, because the mean of its divisors is an integer number (5564988).

Almost surely, 2^80732799 is an apocalyptic number.

80732799 is a deficient number, since it is larger than the sum of its proper divisors (52826913).

80732799 is a wasteful number, since it uses less digits than its factorization.

80732799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767 (or 2764 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 80732799 is about 8985.1432375895. The cubic root of 80732799 is about 432.1985808992.

The spelling of 80732799 in words is "eighty million, seven hundred thirty-two thousand, seven hundred ninety-nine".