87623614656 has 84 divisors (see below), whose sum is σ = 251622411664. Its totient is φ = 29153779200.

The previous prime is 87623614619. The next prime is 87623614679. The reversal of 87623614656 is 65641632678.

87623614656 is a `hidden beast` number, since 8 + 7 + 623 + 6 + 1 + 4 + 6 + 5 + 6 = 666.

It is an unprimeable number.

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, 171021 + ... + 452211.

Almost surely, 2^87623614656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87623614656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125811205832).

87623614656 is an abundant number, since it is smaller than the sum of its proper divisors (163998797008).

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

87623614656 is a wasteful number, since it uses less digits than its factorization.

87623614656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281750 (or 281737 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 87623614656 in words is "eighty-seven billion, six hundred twenty-three million, six hundred fourteen thousand, six hundred fifty-six".