83115873 has 12 divisors (see below), whose sum is σ = 127118628. Its totient is φ = 52151040.

The previous prime is 83115863. The next prime is 83115883. The reversal of 83115873 is 37851138.

It is an interprime number because it is at equal distance from previous prime (83115863) and next prime (83115883).

It can be written as a sum of positive squares in 2 ways, for example, as 52012944 + 31102929 = 7212^2 + 5577^2 .

It is not a de Polignac number, because 83115873 - 2⁵ = 83115841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83115833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271468 + ... + 271773.

It is an arithmetic number, because the mean of its divisors is an integer number (10593219).

Almost surely, 2^83115873 is an apocalyptic number.

It is an amenable number.

83115873 is a deficient number, since it is larger than the sum of its proper divisors (44002755).

83115873 is a wasteful number, since it uses less digits than its factorization.

83115873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543264 (or 543261 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 83115873 is about 9116.7907182297. The cubic root of 83115873 is about 436.4099632041.

The spelling of 83115873 in words is "eighty-three million, one hundred fifteen thousand, eight hundred seventy-three".