87331943160 has 384 divisors, whose sum is σ = 355929500160. Its totient is φ = 18041011200.

The previous prime is 87331943141. The next prime is 87331943173. The reversal of 87331943160 is 6134913378.

It is a super-2 number, since 2×87331943160² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4786455 + ... + 4804665.

It is an arithmetic number, because the mean of its divisors is an integer number (926899740).

Almost surely, 2^87331943160 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 87331943160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177964750080).

87331943160 is an abundant number, since it is smaller than the sum of its proper divisors (268597557000).

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

87331943160 is a wasteful number, since it uses less digits than its factorization.

87331943160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18419 (or 18412 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 87331943160 in words is "eighty-seven billion, three hundred thirty-one million, nine hundred forty-three thousand, one hundred sixty".