82488169109 has 4 divisors (see below), whose sum is σ = 82489262016. Its totient is φ = 82487076204.

The previous prime is 82488169079. The next prime is 82488169139. The reversal of 82488169109 is 90196188428.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (82488169079) and next prime (82488169139).

It is a cyclic number.

It is not a de Polignac number, because 82488169109 - 2²⁰ = 82487120533 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 (82488169139) 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, 424109 + ... + 587234.

It is an arithmetic number, because the mean of its divisors is an integer number (20622315504).

Almost surely, 2^82488169109 is an apocalyptic number.

It is an amenable number.

82488169109 is a deficient number, since it is larger than the sum of its proper divisors (1092907).

82488169109 is a wasteful number, since it uses less digits than its factorization.

82488169109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092906.

The product of its (nonzero) digits is 1990656, while the sum is 56.

The spelling of 82488169109 in words is "eighty-two billion, four hundred eighty-eight million, one hundred sixty-nine thousand, one hundred nine".