82929721479 has 48 divisors (see below), whose sum is σ = 124299288960. Its totient is φ = 49130452800.

The previous prime is 82929721471. The next prime is 82929721513. The reversal of 82929721479 is 97412792928.

It is not a de Polignac number, because 82929721479 - 2³ = 82929721471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82929721471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3173037 + ... + 3199065.

It is an arithmetic number, because the mean of its divisors is an integer number (2589568520).

Almost surely, 2^82929721479 is an apocalyptic number.

82929721479 is a deficient number, since it is larger than the sum of its proper divisors (41369567481).

82929721479 is a wasteful number, since it uses less digits than its factorization.

82929721479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26252 (or 26241 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 60.

It can be divided in two parts, 82929 and 721479, that added together give a palindrome (804408).

The spelling of 82929721479 in words is "eighty-two billion, nine hundred twenty-nine million, seven hundred twenty-one thousand, four hundred seventy-nine".