82616415 has 16 divisors (see below), whose sum is σ = 151070208. Its totient is φ = 37767456.

The previous prime is 82616411. The next prime is 82616431. The reversal of 82616415 is 51461628.

It is not a de Polignac number, because 82616415 - 2² = 82616411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82616411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393307 + ... + 393516.

It is an arithmetic number, because the mean of its divisors is an integer number (9441888).

Almost surely, 2^82616415 is an apocalyptic number.

82616415 is a deficient number, since it is larger than the sum of its proper divisors (68453793).

82616415 is a wasteful number, since it uses less digits than its factorization.

82616415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786838.

The product of its digits is 11520, while the sum is 33.

The square root of 82616415 is about 9089.3572380009. The cubic root of 82616415 is about 435.5340514333.

The spelling of 82616415 in words is "eighty-two million, six hundred sixteen thousand, four hundred fifteen".