82739178984 has 128 divisors (see below), whose sum is σ = 269101025280. Its totient is φ = 20556307200.

The previous prime is 82739178971. The next prime is 82739179001. The reversal of 82739178984 is 48987193728.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

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, 930807 + ... + 1015814.

It is an arithmetic number, because the mean of its divisors is an integer number (2102351760).

Almost surely, 2^82739178984 is an apocalyptic number.

82739178984 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

82739178984 is an abundant number, since it is smaller than the sum of its proper divisors (186361846296).

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

82739178984 is a wasteful number, since it uses less digits than its factorization.

82739178984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946671 (or 1946667 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 66.

The spelling of 82739178984 in words is "eighty-two billion, seven hundred thirty-nine million, one hundred seventy-eight thousand, nine hundred eighty-four".