83983691198 has 16 divisors (see below), whose sum is σ = 137434648320. Its totient is φ = 38172519000.

The previous prime is 83983691173. The next prime is 83983691213. The reversal of 83983691198 is 89119638938.

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, 424523 + ... + 590073.

It is an arithmetic number, because the mean of its divisors is an integer number (8589665520).

Almost surely, 2^83983691198 is an apocalyptic number.

83983691198 is a deficient number, since it is larger than the sum of its proper divisors (53450957122).

83983691198 is a wasteful number, since it uses less digits than its factorization.

83983691198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188623.

The product of its digits is 20155392, while the sum is 65.

The spelling of 83983691198 in words is "eighty-three billion, nine hundred eighty-three million, six hundred ninety-one thousand, one hundred ninety-eight".