82875108013 has 4 divisors (see below), whose sum is σ = 82884597948. Its totient is φ = 82865618080.

The previous prime is 82875107993. The next prime is 82875108077. The reversal of 82875108013 is 31080157828.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23994629604 + 58880478409 = 154902^2 + 242653^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82875108013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82875105013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4731856 + ... + 4749337.

It is an arithmetic number, because the mean of its divisors is an integer number (20721149487).

Almost surely, 2^82875108013 is an apocalyptic number.

It is an amenable number.

82875108013 is a deficient number, since it is larger than the sum of its proper divisors (9489935).

82875108013 is an equidigital number, since it uses as much as digits as its factorization.

82875108013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9489934.

The product of its (nonzero) digits is 107520, while the sum is 43.

The spelling of 82875108013 in words is "eighty-two billion, eight hundred seventy-five million, one hundred eight thousand, thirteen".