80365959 has 16 divisors (see below), whose sum is σ = 119347200. Its totient is φ = 53448408.

The previous prime is 80365949. The next prime is 80365963. The reversal of 80365959 is 95956308.

It is not a de Polignac number, because 80365959 - 2⁵ = 80365927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80365949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8602 + ... + 15320.

It is an arithmetic number, because the mean of its divisors is an integer number (7459200).

Almost surely, 2^80365959 is an apocalyptic number.

80365959 is a deficient number, since it is larger than the sum of its proper divisors (38981241).

80365959 is a wasteful number, since it uses less digits than its factorization.

80365959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7171 (or 7165 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 80365959 is about 8964.7062974757. The cubic root of 80365959 is about 431.5429676584.

The spelling of 80365959 in words is "eighty million, three hundred sixty-five thousand, nine hundred fifty-nine".