82577298967 has 4 divisors (see below), whose sum is σ = 84809117896. Its totient is φ = 80345480040.

The previous prime is 82577298961. The next prime is 82577298977. The reversal of 82577298967 is 76989277528.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82577298967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82577298896 and 82577298905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82577298961) 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, 1115909409 + ... + 1115909482.

It is an arithmetic number, because the mean of its divisors is an integer number (21202279474).

Almost surely, 2^82577298967 is an apocalyptic number.

82577298967 is a deficient number, since it is larger than the sum of its proper divisors (2231818929).

82577298967 is a wasteful number, since it uses less digits than its factorization.

82577298967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231818928.

The product of its digits is 213373440, while the sum is 70.

The spelling of 82577298967 in words is "eighty-two billion, five hundred seventy-seven million, two hundred ninety-eight thousand, nine hundred sixty-seven".