82502959644 has 48 divisors (see below), whose sum is σ = 244453216000. Its totient is φ = 23572273968.

The previous prime is 82502959633. The next prime is 82502959661. The reversal of 82502959644 is 44695920528.

82502959644 is a `hidden beast` number, since 8 + 2 + 5 + 0 + 2 + 9 + 596 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 54564694 + ... + 54566205.

Almost surely, 2^82502959644 is an apocalyptic number.

82502959644 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

82502959644 is an abundant number, since it is smaller than the sum of its proper divisors (161950256356).

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

82502959644 is a wasteful number, since it uses less digits than its factorization.

82502959644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109130919 (or 109130911 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 82502959644 in words is "eighty-two billion, five hundred two million, nine hundred fifty-nine thousand, six hundred forty-four".