87710702720 has 128 divisors (see below), whose sum is σ = 213811012800. Its totient is φ = 34396876800.

The previous prime is 87710702711. The next prime is 87710702741. The reversal of 87710702720 is 2720701778.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14987795 + ... + 14993645.

Almost surely, 2^87710702720 is an apocalyptic number.

87710702720 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 87710702720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106905506400).

87710702720 is an abundant number, since it is smaller than the sum of its proper divisors (126100310080).

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

87710702720 is a wasteful number, since it uses less digits than its factorization.

87710702720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6326 (or 6314 counting only the distinct ones).

The product of its (nonzero) digits is 76832, while the sum is 41.

The spelling of 87710702720 in words is "eighty-seven billion, seven hundred ten million, seven hundred two thousand, seven hundred twenty".