83908879 has 8 divisors (see below), whose sum is σ = 84922880. Its totient is φ = 82901016.

The previous prime is 83908819. The next prime is 83908897. The reversal of 83908879 is 97880938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83908879 - 2⁷ = 83908751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83908819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29644 + ... + 32350.

It is an arithmetic number, because the mean of its divisors is an integer number (10615360).

Almost surely, 2^83908879 is an apocalyptic number.

83908879 is a deficient number, since it is larger than the sum of its proper divisors (1014001).

83908879 is a wasteful number, since it uses less digits than its factorization.

83908879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 83908879 is about 9160.1789829675. The cubic root of 83908879 is about 437.7934971041.

The spelling of 83908879 in words is "eighty-three million, nine hundred eight thousand, eight hundred seventy-nine".