83899764227 has 4 divisors (see below), whose sum is σ = 83922610200. Its totient is φ = 83876918256.

The previous prime is 83899764209. The next prime is 83899764281. The reversal of 83899764227 is 72246799838.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83899764227 - 2⁸ = 83899763971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83899766227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11417477 + ... + 11424822.

It is an arithmetic number, because the mean of its divisors is an integer number (20980652550).

Almost surely, 2^83899764227 is an apocalyptic number.

83899764227 is a deficient number, since it is larger than the sum of its proper divisors (22845973).

83899764227 is a wasteful number, since it uses less digits than its factorization.

83899764227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22845972.

The product of its digits is 73156608, while the sum is 65.

The spelling of 83899764227 in words is "eighty-three billion, eight hundred ninety-nine million, seven hundred sixty-four thousand, two hundred twenty-seven".