83111994 has 40 divisors (see below), whose sum is σ = 212839968. Its totient is φ = 23745960.

The previous prime is 83111989. The next prime is 83112013. The reversal of 83111994 is 49911138.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35512 + ... + 37779.

Almost surely, 2^83111994 is an apocalyptic number.

83111994 is an abundant number, since it is smaller than the sum of its proper divisors (129727974).

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

83111994 is a wasteful number, since it uses less digits than its factorization.

83111994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73312 (or 73303 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 83111994 is about 9116.5779764120. The cubic root of 83111994 is about 436.4031740453.

The spelling of 83111994 in words is "eighty-three million, one hundred eleven thousand, nine hundred ninety-four".