82879170379539 has 4 divisors (see below), whose sum is σ = 110505560506056. Its totient is φ = 55252780253024.

The previous prime is 82879170379529. The next prime is 82879170379627. The reversal of 82879170379539 is 93597307197828.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 82879170379539 - 2⁸ = 82879170379283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82879170379529) 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, 13813195063254 + ... + 13813195063259.

It is an arithmetic number, because the mean of its divisors is an integer number (27626390126514).

Almost surely, 2^{82879170379539} is an apocalyptic number.

82879170379539 is a deficient number, since it is larger than the sum of its proper divisors (27626390126517).

82879170379539 is a wasteful number, since it uses less digits than its factorization.

82879170379539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27626390126516.

The product of its (nonzero) digits is 1440270720, while the sum is 78.

The spelling of 82879170379539 in words is "eighty-two trillion, eight hundred seventy-nine billion, one hundred seventy million, three hundred seventy-nine thousand, five hundred thirty-nine".