916125857 has 8 divisors (see below), whose sum is σ = 986795520. Its totient is φ = 848026080.

The previous prime is 916125841. The next prime is 916125887. The reversal of 916125857 is 758521619.

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

It is not a de Polignac number, because 916125857 - 2⁴ = 916125841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (916125817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641732 + ... + 643157.

It is an arithmetic number, because the mean of its divisors is an integer number (123349440).

Almost surely, 2^916125857 is an apocalyptic number.

It is an amenable number.

916125857 is a deficient number, since it is larger than the sum of its proper divisors (70669663).

916125857 is a wasteful number, since it uses less digits than its factorization.

916125857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284943.

The product of its digits is 151200, while the sum is 44.

The square root of 916125857 is about 30267.5710455927. The cubic root of 916125857 is about 971.2217068073.

The spelling of 916125857 in words is "nine hundred sixteen million, one hundred twenty-five thousand, eight hundred fifty-seven".