83157942 has 32 divisors (see below), whose sum is σ = 190455552. Its totient is φ = 23711904.

The previous prime is 83157929. The next prime is 83157961. The reversal of 83157942 is 24975138.

It is a self number, because there is not a number n which added to its sum of digits gives 83157942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22968 + ... + 26340.

It is an arithmetic number, because the mean of its divisors is an integer number (5951736).

Almost surely, 2^83157942 is an apocalyptic number.

83157942 is an abundant number, since it is smaller than the sum of its proper divisors (107297610).

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

83157942 is a wasteful number, since it uses less digits than its factorization.

83157942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972.

The product of its digits is 60480, while the sum is 39.

The square root of 83157942 is about 9119.0976527286. The cubic root of 83157942 is about 436.4835802460.

The spelling of 83157942 in words is "eighty-three million, one hundred fifty-seven thousand, nine hundred forty-two".