83900191914 has 96 divisors (see below), whose sum is σ = 234454746240. Its totient is φ = 21040790400.

The previous prime is 83900191883. The next prime is 83900191931. The reversal of 83900191914 is 41919100938.

It is a self number, because there is not a number n which added to its sum of digits gives 83900191914.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1003497 + ... + 1083884.

It is an arithmetic number, because the mean of its divisors is an integer number (2442236940).

Almost surely, 2^83900191914 is an apocalyptic number.

83900191914 is an abundant number, since it is smaller than the sum of its proper divisors (150554554326).

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

83900191914 is a wasteful number, since it uses less digits than its factorization.

83900191914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087436 (or 2087433 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The spelling of 83900191914 in words is "eighty-three billion, nine hundred million, one hundred ninety-one thousand, nine hundred fourteen".