87513833580 has 48 divisors (see below), whose sum is σ = 245570349024. Its totient is φ = 23286392320.

The previous prime is 87513833569. The next prime is 87513833609. The reversal of 87513833580 is 8533831578.

It is a happy number.

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, 1554297 + ... + 1609616.

It is an arithmetic number, because the mean of its divisors is an integer number (5116048938).

Almost surely, 2^87513833580 is an apocalyptic number.

It is an amenable number.

87513833580 is an abundant number, since it is smaller than the sum of its proper divisors (158056515444).

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

87513833580 is a wasteful number, since it uses less digits than its factorization.

87513833580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164386 (or 3164384 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 87513833580 in words is "eighty-seven billion, five hundred thirteen million, eight hundred thirty-three thousand, five hundred eighty".