82874115 has 24 divisors (see below), whose sum is σ = 146992560. Its totient is φ = 43170624.

The previous prime is 82874107. The next prime is 82874119. The reversal of 82874115 is 51147828.

It is not a de Polignac number, because 82874115 - 2³ = 82874107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82874115.

It is not an unprimeable number, because it can be changed into a prime (82874119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19480 + ... + 23349.

It is an arithmetic number, because the mean of its divisors is an integer number (6124690).

Almost surely, 2^82874115 is an apocalyptic number.

82874115 is a deficient number, since it is larger than the sum of its proper divisors (64118445).

82874115 is a wasteful number, since it uses less digits than its factorization.

82874115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42883 (or 42880 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 82874115 is about 9103.5221205861. The cubic root of 82874115 is about 435.9864257340.

The spelling of 82874115 in words is "eighty-two million, eight hundred seventy-four thousand, one hundred fifteen".