82636272479 has 4 divisors (see below), whose sum is σ = 85301958720. Its totient is φ = 79970586240.

The previous prime is 82636272463. The next prime is 82636272547. The reversal of 82636272479 is 97427263628.

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 82636272479 - 2⁴ = 82636272463 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 (82636272449) 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, 1332843074 + ... + 1332843135.

It is an arithmetic number, because the mean of its divisors is an integer number (21325489680).

Almost surely, 2^82636272479 is an apocalyptic number.

82636272479 is a deficient number, since it is larger than the sum of its proper divisors (2665686241).

82636272479 is a wasteful number, since it uses less digits than its factorization.

82636272479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665686240.

The product of its digits is 12192768, while the sum is 56.

The spelling of 82636272479 in words is "eighty-two billion, six hundred thirty-six million, two hundred seventy-two thousand, four hundred seventy-nine".