87009565740 has 24 divisors (see below), whose sum is σ = 243626784240. Its totient is φ = 23202550848.

The previous prime is 87009565723. The next prime is 87009565759. The reversal of 87009565740 is 4756590078.

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, 725079655 + ... + 725079774.

It is an arithmetic number, because the mean of its divisors is an integer number (10151116010).

Almost surely, 2^87009565740 is an apocalyptic number.

It is an amenable number.

87009565740 is an abundant number, since it is smaller than the sum of its proper divisors (156617218500).

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

87009565740 is a wasteful number, since it uses less digits than its factorization.

87009565740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450159441 (or 1450159439 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 51.

The spelling of 87009565740 in words is "eighty-seven billion, nine million, five hundred sixty-five thousand, seven hundred forty".