83879055 has 48 divisors (see below), whose sum is σ = 157946880. Its totient is φ = 40932864.

The previous prime is 83879027. The next prime is 83879057. The reversal of 83879055 is 55097838.

It is not a de Polignac number, because 83879055 - 2¹¹ = 83877007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 83879055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83879057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73731 + ... + 74859.

It is an arithmetic number, because the mean of its divisors is an integer number (3290560).

Almost surely, 2^83879055 is an apocalyptic number.

83879055 is a deficient number, since it is larger than the sum of its proper divisors (74067825).

83879055 is a wasteful number, since it uses less digits than its factorization.

83879055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280 (or 1277 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 83879055 is about 9158.5509224986. The cubic root of 83879055 is about 437.7416221788.

The spelling of 83879055 in words is "eighty-three million, eight hundred seventy-nine thousand, fifty-five".