87001715680 has 96 divisors (see below), whose sum is σ = 224644075488. Its totient is φ = 31578163200.

The previous prime is 87001715657. The next prime is 87001715687. The reversal of 87001715680 is 8651710078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87001715687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906474 + ... + 997846.

It is an arithmetic number, because the mean of its divisors is an integer number (2340042453).

Almost surely, 2^87001715680 is an apocalyptic number.

87001715680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87001715680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112322037744).

87001715680 is an abundant number, since it is smaller than the sum of its proper divisors (137642359808).

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

87001715680 is a wasteful number, since it uses less digits than its factorization.

87001715680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91940 (or 91932 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 43.

The spelling of 87001715680 in words is "eighty-seven billion, one million, seven hundred fifteen thousand, six hundred eighty".