82975508481 has 4 divisors (see below), whose sum is σ = 110634011312. Its totient is φ = 55317005652.

The previous prime is 82975508479. The next prime is 82975508489. The reversal of 82975508481 is 18480557928.

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 not a de Polignac number, because 82975508481 - 2¹ = 82975508479 is a prime.

It is a super-2 number, since 2×82975508481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82975508489) 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, 13829251411 + ... + 13829251416.

It is an arithmetic number, because the mean of its divisors is an integer number (27658502828).

Almost surely, 2^82975508481 is an apocalyptic number.

It is an amenable number.

82975508481 is a deficient number, since it is larger than the sum of its proper divisors (27658502831).

82975508481 is a wasteful number, since it uses less digits than its factorization.

82975508481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27658502830.

The product of its (nonzero) digits is 6451200, while the sum is 57.

The spelling of 82975508481 in words is "eighty-two billion, nine hundred seventy-five million, five hundred eight thousand, four hundred eighty-one".