83997794 has 12 divisors (see below), whose sum is σ = 131714646. Its totient is φ = 40172352.

The previous prime is 83997787. The next prime is 83997811. The reversal of 83997794 is 49779938.

It can be written as a sum of positive squares in only one way, i.e., 66667225 + 17330569 = 8165^2 + 4163^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38639 + ... + 40754.

Almost surely, 2^83997794 is an apocalyptic number.

83997794 is a deficient number, since it is larger than the sum of its proper divisors (47716852).

83997794 is a wasteful number, since it uses less digits than its factorization.

83997794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79441 (or 79418 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 56.

The square root of 83997794 is about 9165.0310419551. The cubic root of 83997794 is about 437.9480801381.

The spelling of 83997794 in words is "eighty-three million, nine hundred ninety-seven thousand, seven hundred ninety-four".