82179984 has 40 divisors (see below), whose sum is σ = 212745312. Its totient is φ = 27335680.

The previous prime is 82179983. The next prime is 82179991. The reversal of 82179984 is 48997128.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (82179983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25504 + ... + 28544.

Almost surely, 2^82179984 is an apocalyptic number.

It is an amenable number.

82179984 is an abundant number, since it is smaller than the sum of its proper divisors (130565328).

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

82179984 is a wasteful number, since it uses less digits than its factorization.

82179984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3615 (or 3609 counting only the distinct ones).

The product of its digits is 290304, while the sum is 48.

The square root of 82179984 is about 9065.3176447381. The cubic root of 82179984 is about 434.7657769322.

The spelling of 82179984 in words is "eighty-two million, one hundred seventy-nine thousand, nine hundred eighty-four".