87364489536 has 168 divisors, whose sum is σ = 252289811904. Its totient is φ = 28904325120.

The previous prime is 87364489493. The next prime is 87364489547. The reversal of 87364489536 is 63598446378.

87364489536 is a `hidden beast` number, since 8 + 73 + 6 + 448 + 95 + 36 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48997701 + ... + 48999483.

Almost surely, 2^87364489536 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 87364489536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126144905952).

87364489536 is an abundant number, since it is smaller than the sum of its proper divisors (164925322368).

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

87364489536 is a wasteful number, since it uses less digits than its factorization.

87364489536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389 (or 2376 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 63.

The spelling of 87364489536 in words is "eighty-seven billion, three hundred sixty-four million, four hundred eighty-nine thousand, five hundred thirty-six".