87073659144 has 48 divisors (see below), whose sum is σ = 241576318620. Its totient is φ = 28316636160.

The previous prime is 87073659139. The next prime is 87073659157. The reversal of 87073659144 is 44195637078.

87073659144 is a `hidden beast` number, since 8 + 7 + 0 + 7 + 3 + 6 + 591 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 84238096644 + 2835562500 = 290238^2 + 53250^2 .

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 11 ways as a sum of consecutive naturals, for example, 14745297 + ... + 14751200.

Almost surely, 2^87073659144 is an apocalyptic number.

It is an amenable number.

87073659144 is an abundant number, since it is smaller than the sum of its proper divisors (154502659476).

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

87073659144 is a wasteful number, since it uses less digits than its factorization.

87073659144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29496550 (or 29496543 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 87073659144 in words is "eighty-seven billion, seventy-three million, six hundred fifty-nine thousand, one hundred forty-four".