87052261824 has 84 divisors (see below), whose sum is σ = 272203209720. Its totient is φ = 26379471360.

The previous prime is 87052261823. The next prime is 87052261847. The reversal of 87052261824 is 42816225078.

87052261824 is a `hidden beast` number, since 8 + 7 + 0 + 5 + 2 + 2 + 618 + 24 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 87052261824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87052261823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6863319 + ... + 6875990.

Almost surely, 2^87052261824 is an apocalyptic number.

It is an amenable number.

87052261824 is an abundant number, since it is smaller than the sum of its proper divisors (185150947896).

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

87052261824 is a wasteful number, since it uses less digits than its factorization.

87052261824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13739338 (or 13739325 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 87052261824 in words is "eighty-seven billion, fifty-two million, two hundred sixty-one thousand, eight hundred twenty-four".