82913115 has 16 divisors (see below), whose sum is σ = 136247328. Its totient is φ = 43024896.

The previous prime is 82913087. The next prime is 82913141. The reversal of 82913115 is 51131928.

It is not a de Polignac number, because 82913115 - 2¹⁴ = 82896731 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74142 + ... + 75251.

It is an arithmetic number, because the mean of its divisors is an integer number (8515458).

Almost surely, 2^82913115 is an apocalyptic number.

82913115 is a deficient number, since it is larger than the sum of its proper divisors (53334213).

82913115 is a wasteful number, since it uses less digits than its factorization.

82913115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149438.

The product of its digits is 2160, while the sum is 30.

The square root of 82913115 is about 9105.6638967183. The cubic root of 82913115 is about 436.0548057666.

It can be divided in two parts, 82913 and 115, that added together give a triangular number (83028 = T₄₀₇).

The spelling of 82913115 in words is "eighty-two million, nine hundred thirteen thousand, one hundred fifteen".