87589867400 has 96 divisors (see below), whose sum is σ = 237690858240. Its totient is φ = 29391836160.

The previous prime is 87589867333. The next prime is 87589867429. The reversal of 87589867400 is 476898578.

It is a super-2 number, since 2×87589867400² (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 23 ways as a sum of consecutive naturals, for example, 599777 + ... + 731376.

It is an arithmetic number, because the mean of its divisors is an integer number (2475946440).

Almost surely, 2^87589867400 is an apocalyptic number.

It is an amenable number.

87589867400 is an abundant number, since it is smaller than the sum of its proper divisors (150100990840).

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

87589867400 is a wasteful number, since it uses less digits than its factorization.

87589867400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331223 (or 1331214 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 62.

The spelling of 87589867400 in words is "eighty-seven billion, five hundred eighty-nine million, eight hundred sixty-seven thousand, four hundred".