87099770170 has 256 divisors, whose sum is σ = 198567936000. Its totient is φ = 27408326400.

The previous prime is 87099770159. The next prime is 87099770183. The reversal of 87099770170 is 7107799078.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 521555427 + ... + 521555593.

It is an arithmetic number, because the mean of its divisors is an integer number (775656000).

Almost surely, 2^87099770170 is an apocalyptic number.

87099770170 is an abundant number, since it is smaller than the sum of its proper divisors (111468165830).

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

87099770170 is a wasteful number, since it uses less digits than its factorization.

87099770170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 1555848, while the sum is 55.

The spelling of 87099770170 in words is "eighty-seven billion, ninety-nine million, seven hundred seventy thousand, one hundred seventy".