83919699 has 16 divisors (see below), whose sum is σ = 124480800. Its totient is φ = 55876608.

The previous prime is 83919683. The next prime is 83919739. The reversal of 83919699 is 99691938.

It is not a de Polignac number, because 83919699 - 2⁴ = 83919683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83919629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29107 + ... + 31859.

It is an arithmetic number, because the mean of its divisors is an integer number (7780050).

Almost surely, 2^83919699 is an apocalyptic number.

83919699 is a deficient number, since it is larger than the sum of its proper divisors (40561101).

83919699 is a wasteful number, since it uses less digits than its factorization.

83919699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891 (or 3885 counting only the distinct ones).

The product of its digits is 944784, while the sum is 54.

The square root of 83919699 is about 9160.7695637430. The cubic root of 83919699 is about 437.8123140323.

The spelling of 83919699 in words is "eighty-three million, nine hundred nineteen thousand, six hundred ninety-nine".