82615712258 has 16 divisors (see below), whose sum is σ = 131030833920. Its totient is φ = 38958266736.

The previous prime is 82615712189. The next prime is 82615712261. The reversal of 82615712258 is 85221751628.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4866185 + ... + 4883132.

It is an arithmetic number, because the mean of its divisors is an integer number (8189427120).

Almost surely, 2^82615712258 is an apocalyptic number.

82615712258 is a deficient number, since it is larger than the sum of its proper divisors (48415121662).

82615712258 is a wasteful number, since it uses less digits than its factorization.

82615712258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9749561.

The product of its digits is 537600, while the sum is 47.

The spelling of 82615712258 in words is "eighty-two billion, six hundred fifteen million, seven hundred twelve thousand, two hundred fifty-eight".