83157894 has 16 divisors (see below), whose sum is σ = 184795440. Its totient is φ = 27719280.

The previous prime is 83157887. The next prime is 83157911. The reversal of 83157894 is 49875138.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769927 + ... + 770034.

It is an arithmetic number, because the mean of its divisors is an integer number (11549715).

Almost surely, 2^83157894 is an apocalyptic number.

83157894 is an abundant number, since it is smaller than the sum of its proper divisors (101637546).

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

83157894 is a wasteful number, since it uses less digits than its factorization.

83157894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539972 (or 1539966 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 83157894 is about 9119.0950208889. The cubic root of 83157894 is about 436.4834962643.

The spelling of 83157894 in words is "eighty-three million, one hundred fifty-seven thousand, eight hundred ninety-four".