87101870680 has 32 divisors (see below), whose sum is σ = 213795501840. Its totient is φ = 31673407360.

The previous prime is 87101870623. The next prime is 87101870729. The reversal of 87101870680 is 8607810178.

It is a self number, because there is not a number n which added to its sum of digits gives 87101870680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98978959 + ... + 98979838.

Almost surely, 2^87101870680 is an apocalyptic number.

It is an amenable number.

87101870680 is an abundant number, since it is smaller than the sum of its proper divisors (126693631160).

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

87101870680 is a wasteful number, since it uses less digits than its factorization.

87101870680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197958819 (or 197958815 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 46.

The spelling of 87101870680 in words is "eighty-seven billion, one hundred one million, eight hundred seventy thousand, six hundred eighty".