87163204032 has 224 divisors, whose sum is σ = 277093923840. Its totient is φ = 26763079680.

The previous prime is 87163204021. The next prime is 87163204081. The reversal of 87163204032 is 23040236178.

It is a happy number.

It is a super-2 number, since 2×87163204032² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1349107 + ... + 1412237.

Almost surely, 2^87163204032 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 87163204032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138546961920).

87163204032 is an abundant number, since it is smaller than the sum of its proper divisors (189930719808).

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

87163204032 is a wasteful number, since it uses less digits than its factorization.

87163204032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63216 (or 63200 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 87163204032 in words is "eighty-seven billion, one hundred sixty-three million, two hundred four thousand, thirty-two".