82488915 has 32 divisors (see below), whose sum is σ = 147044160. Its totient is φ = 43875072.

The previous prime is 82488907. The next prime is 82488943. The reversal of 82488915 is 51988428.

It is a happy number.

82488915 is a `hidden beast` number, since 82 + 488 + 91 + 5 = 666.

It is not a de Polignac number, because 82488915 - 2³ = 82488907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74647 + ... + 75743.

It is an arithmetic number, because the mean of its divisors is an integer number (4595130).

Almost surely, 2^82488915 is an apocalyptic number.

82488915 is a deficient number, since it is larger than the sum of its proper divisors (64555245).

82488915 is a wasteful number, since it uses less digits than its factorization.

82488915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668 (or 1662 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 82488915 is about 9082.3408326268. The cubic root of 82488915 is about 435.3098862057.

The spelling of 82488915 in words is "eighty-two million, four hundred eighty-eight thousand, nine hundred fifteen".