87587487912 has 16 divisors (see below), whose sum is σ = 218968719840. Its totient is φ = 29195829296.

The previous prime is 87587487899. The next prime is 87587487959. The reversal of 87587487912 is 21978478578.

It is a super-2 number, since 2×87587487912² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1824739308 + ... + 1824739355.

It is an arithmetic number, because the mean of its divisors is an integer number (13685544990).

Almost surely, 2^87587487912 is an apocalyptic number.

It is an amenable number.

87587487912 is an abundant number, since it is smaller than the sum of its proper divisors (131381231928).

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

87587487912 is a wasteful number, since it uses less digits than its factorization.

87587487912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649478672 (or 3649478668 counting only the distinct ones).

The product of its digits is 63221760, while the sum is 66.

The spelling of 87587487912 in words is "eighty-seven billion, five hundred eighty-seven million, four hundred eighty-seven thousand, nine hundred twelve".