80509833 has 12 divisors (see below), whose sum is σ = 116603760. Its totient is φ = 53529336.

The previous prime is 80509801. The next prime is 80509837. The reversal of 80509833 is 33890508.

It is not a de Polignac number, because 80509833 - 2⁵ = 80509801 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (80509837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8391 + ... + 15212.

It is an arithmetic number, because the mean of its divisors is an integer number (9716980).

Almost surely, 2^80509833 is an apocalyptic number.

It is an amenable number.

80509833 is a deficient number, since it is larger than the sum of its proper divisors (36093927).

80509833 is a wasteful number, since it uses less digits than its factorization.

80509833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23988 (or 23985 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 80509833 is about 8972.7271773971. The cubic root of 80509833 is about 431.8003353296.

The spelling of 80509833 in words is "eighty million, five hundred nine thousand, eight hundred thirty-three".