80135957 has 8 divisors (see below), whose sum is σ = 88271040. Its totient is φ = 72142560.

The previous prime is 80135929. The next prime is 80135963. The reversal of 80135957 is 75953108.

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

It is a cyclic number.

It is not a de Polignac number, because 80135957 - 2⁸ = 80135701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80135957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80135927) 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, 34232 + ... + 36497.

It is an arithmetic number, because the mean of its divisors is an integer number (11033880).

Almost surely, 2^80135957 is an apocalyptic number.

It is an amenable number.

80135957 is a deficient number, since it is larger than the sum of its proper divisors (8135083).

80135957 is a wasteful number, since it uses less digits than its factorization.

80135957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70843.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 80135957 is about 8951.8689110152. The cubic root of 80135957 is about 431.1308919260.

The spelling of 80135957 in words is "eighty million, one hundred thirty-five thousand, nine hundred fifty-seven".