83157893 has 16 divisors (see below), whose sum is σ = 102748800. Its totient is φ = 65537856.

The previous prime is 83157887. The next prime is 83157911. The reversal of 83157893 is 39875138.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 83157893 - 2⁸ = 83157637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83157803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23558 + ... + 26856.

It is an arithmetic number, because the mean of its divisors is an integer number (6421800).

Almost surely, 2^83157893 is an apocalyptic number.

It is an amenable number.

83157893 is a deficient number, since it is larger than the sum of its proper divisors (19590907).

83157893 is a wasteful number, since it uses less digits than its factorization.

83157893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3596.

The product of its digits is 181440, while the sum is 44.

The square root of 83157893 is about 9119.0949660589. The cubic root of 83157893 is about 436.4834945147.

The spelling of 83157893 in words is "eighty-three million, one hundred fifty-seven thousand, eight hundred ninety-three".