82012404579 has 32 divisors (see below), whose sum is σ = 130613521920. Its totient is φ = 44781714432.

The previous prime is 82012404569. The next prime is 82012404601. The reversal of 82012404579 is 97540421028.

It is not a de Polignac number, because 82012404579 - 2⁷ = 82012404451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82012404579.

It is not an unprimeable number, because it can be changed into a prime (82012404569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 635089 + ... + 753234.

It is an arithmetic number, because the mean of its divisors is an integer number (4081672560).

Almost surely, 2^82012404579 is an apocalyptic number.

82012404579 is a deficient number, since it is larger than the sum of its proper divisors (48601117341).

82012404579 is a wasteful number, since it uses less digits than its factorization.

82012404579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388459.

The product of its (nonzero) digits is 161280, while the sum is 42.

It can be divided in two parts, 82012 and 404579, that added together give a triangular number (486591 = T₉₈₆).

The spelling of 82012404579 in words is "eighty-two billion, twelve million, four hundred four thousand, five hundred seventy-nine".