82989751752 has 24 divisors (see below), whose sum is σ = 224763911190. Its totient is φ = 27663250560.

The previous prime is 82989751727. The next prime is 82989751783. The reversal of 82989751752 is 25715798928.

82989751752 is a `hidden beast` number, since 8 + 29 + 8 + 97 + 517 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 82533245796 + 456505956 = 287286^2 + 21366^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 82989751752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 576317649 + ... + 576317792.

Almost surely, 2^82989751752 is an apocalyptic number.

It is an amenable number.

82989751752 is an abundant number, since it is smaller than the sum of its proper divisors (141774159438).

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

82989751752 is a wasteful number, since it uses less digits than its factorization.

82989751752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152635453 (or 1152635446 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 63.

The spelling of 82989751752 in words is "eighty-two billion, nine hundred eighty-nine million, seven hundred fifty-one thousand, seven hundred fifty-two".