82140918315 has 16 divisors (see below), whose sum is σ = 131431603968. Its totient is φ = 43806444896.

The previous prime is 82140918263. The next prime is 82140918323. The reversal of 82140918315 is 51381904128.

It is a cyclic number.

It is not a de Polignac number, because 82140918315 - 2²² = 82136724011 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238042 + ... + 470048.

It is an arithmetic number, because the mean of its divisors is an integer number (8214475248).

Almost surely, 2^82140918315 is an apocalyptic number.

82140918315 is a deficient number, since it is larger than the sum of its proper divisors (49290685653).

82140918315 is a wasteful number, since it uses less digits than its factorization.

82140918315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255618.

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 82140918315 in words is "eighty-two billion, one hundred forty million, nine hundred eighteen thousand, three hundred fifteen".