82986800544 has 72 divisors (see below), whose sum is σ = 236066682852. Its totient is φ = 27653713920.

The previous prime is 82986800509. The next prime is 82986800563. The reversal of 82986800544 is 44500868928.

82986800544 is a `hidden beast` number, since 8 + 2 + 98 + 6 + 8 + 0 + 0 + 544 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 74561763600 + 8425036944 = 273060^2 + 91788^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 925102 + ... + 1010834.

Almost surely, 2^82986800544 is an apocalyptic number.

It is an amenable number.

82986800544 is an abundant number, since it is smaller than the sum of its proper divisors (153079882308).

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

82986800544 is a wasteful number, since it uses less digits than its factorization.

82986800544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89110 (or 89099 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 82986800544 in words is "eighty-two billion, nine hundred eighty-six million, eight hundred thousand, five hundred forty-four".