83875857 has 8 divisors (see below), whose sum is σ = 120437184. Its totient is φ = 51615888.

The previous prime is 83875849. The next prime is 83875879. The reversal of 83875857 is 75857838.

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

It is not a de Polignac number, because 83875857 - 2³ = 83875849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83875817) 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, 1075293 + ... + 1075370.

It is an arithmetic number, because the mean of its divisors is an integer number (15054648).

Almost surely, 2^83875857 is an apocalyptic number.

It is an amenable number.

83875857 is a deficient number, since it is larger than the sum of its proper divisors (36561327).

83875857 is a wasteful number, since it uses less digits than its factorization.

83875857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150679.

The product of its digits is 1881600, while the sum is 51.

The square root of 83875857 is about 9158.3763298960. The cubic root of 83875857 is about 437.7360589485.

The spelling of 83875857 in words is "eighty-three million, eight hundred seventy-five thousand, eight hundred fifty-seven".