80957190 has 16 divisors (see below), whose sum is σ = 194297328. Its totient is φ = 21588576.

The previous prime is 80957161. The next prime is 80957197. The reversal of 80957190 is 9175908.

It is a happy number.

It is a super-2 number, since 2×80957190² = 13108133225392200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80957197) 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 7 ways as a sum of consecutive naturals, for example, 1349257 + ... + 1349316.

It is an arithmetic number, because the mean of its divisors is an integer number (12143583).

Almost surely, 2^80957190 is an apocalyptic number.

80957190 is an abundant number, since it is smaller than the sum of its proper divisors (113340138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80957190 is a wasteful number, since it uses less digits than its factorization.

80957190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698583.

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 80957190 is about 8997.6213523353. The cubic root of 80957190 is about 432.5986320988.

The spelling of 80957190 in words is "eighty million, nine hundred fifty-seven thousand, one hundred ninety".