87208509860 has 48 divisors (see below), whose sum is σ = 184663535616. Its totient is φ = 34593052032.

The previous prime is 87208509769. The next prime is 87208509923. The reversal of 87208509860 is 6890580278.

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, 6757574 + ... + 6770466.

It is an arithmetic number, because the mean of its divisors is an integer number (3847156992).

Almost surely, 2^87208509860 is an apocalyptic number.

It is an amenable number.

87208509860 is an abundant number, since it is smaller than the sum of its proper divisors (97455025756).

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

87208509860 is a wasteful number, since it uses less digits than its factorization.

87208509860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15692 (or 15690 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 87208509860 in words is "eighty-seven billion, two hundred eight million, five hundred nine thousand, eight hundred sixty".