82421177082 has 32 divisors (see below), whose sum is σ = 165850274304. Its totient is φ = 27306250800.

The previous prime is 82421177063. The next prime is 82421177089. The reversal of 82421177082 is 28077112428.

It is not an unprimeable number, because it can be changed into a prime (82421177089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583857 + ... + 711147.

It is an arithmetic number, because the mean of its divisors is an integer number (5182821072).

Almost surely, 2^82421177082 is an apocalyptic number.

82421177082 is an abundant number, since it is smaller than the sum of its proper divisors (83429097222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82421177082 is a wasteful number, since it uses less digits than its factorization.

82421177082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127954.

The product of its (nonzero) digits is 100352, while the sum is 42.

The spelling of 82421177082 in words is "eighty-two billion, four hundred twenty-one million, one hundred seventy-seven thousand, eighty-two".