80370965 has 4 divisors (see below), whose sum is σ = 96445164. Its totient is φ = 64296768.

The previous prime is 80370937. The next prime is 80370967. The reversal of 80370965 is 56907308.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49646116 + 30724849 = 7046^2 + 5543^2 .

It is a cyclic number.

It is not a de Polignac number, because 80370965 - 2⁸ = 80370709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80370967) 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, 8037092 + ... + 8037101.

It is an arithmetic number, because the mean of its divisors is an integer number (24111291).

Almost surely, 2^80370965 is an apocalyptic number.

It is an amenable number.

80370965 is a deficient number, since it is larger than the sum of its proper divisors (16074199).

80370965 is a wasteful number, since it uses less digits than its factorization.

80370965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16074198.

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

The square root of 80370965 is about 8964.9854991517. The cubic root of 80370965 is about 431.5519277508.

The spelling of 80370965 in words is "eighty million, three hundred seventy thousand, nine hundred sixty-five".