80391375 has 48 divisors (see below), whose sum is σ = 152586720. Its totient is φ = 40608000.

The previous prime is 80391349. The next prime is 80391403. The reversal of 80391375 is 57319308.

80391375 = 235³ + 236³ + ... + 240³.

It is not a de Polignac number, because 80391375 - 2⁷ = 80391247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19495 + ... + 23255.

It is an arithmetic number, because the mean of its divisors is an integer number (3178890).

Almost surely, 2^80391375 is an apocalyptic number.

80391375 is a deficient number, since it is larger than the sum of its proper divisors (72195345).

80391375 is a wasteful number, since it uses less digits than its factorization.

80391375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801 (or 3788 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 80391375 is about 8966.1237444059. The cubic root of 80391375 is about 431.5884551599.

The spelling of 80391375 in words is "eighty million, three hundred ninety-one thousand, three hundred seventy-five".