87565930144 has 96 divisors (see below), whose sum is σ = 221868122112. Its totient is φ = 33016032000.

The previous prime is 87565930141. The next prime is 87565930169. The reversal of 87565930144 is 44103956578.

It is a junction number, because it is equal to n+sod(n) for n = 87565930091 and 87565930100.

It is not an unprimeable number, because it can be changed into a prime (87565930141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496812 + ... + 649579.

It is an arithmetic number, because the mean of its divisors is an integer number (2311126272).

Almost surely, 2^87565930144 is an apocalyptic number.

It is an amenable number.

87565930144 is an abundant number, since it is smaller than the sum of its proper divisors (134302191968).

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

87565930144 is a wasteful number, since it uses less digits than its factorization.

87565930144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146450 (or 1146442 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 87565930144 in words is "eighty-seven billion, five hundred sixty-five million, nine hundred thirty thousand, one hundred forty-four".