80365790 has 8 divisors (see below), whose sum is σ = 144658440. Its totient is φ = 32146312.

The previous prime is 80365777. The next prime is 80365799. The reversal of 80365790 is 9756308.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80365799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4018280 + ... + 4018299.

It is an arithmetic number, because the mean of its divisors is an integer number (18082305).

Almost surely, 2^80365790 is an apocalyptic number.

80365790 is a deficient number, since it is larger than the sum of its proper divisors (64292650).

80365790 is a wasteful number, since it uses less digits than its factorization.

80365790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8036586.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 80365790 is about 8964.6968716181. The cubic root of 80365790 is about 431.5426651638.

The spelling of 80365790 in words is "eighty million, three hundred sixty-five thousand, seven hundred ninety".