870487913500 has 24 divisors (see below), whose sum is σ = 1901145604176. Its totient is φ = 348195165200.

The previous prime is 870487913489. The next prime is 870487913507. The reversal of 870487913500 is 5319784078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870487913507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 870487414 + ... + 870488413.

It is an arithmetic number, because the mean of its divisors is an integer number (79214400174).

Almost surely, 2^870487913500 is an apocalyptic number.

It is an amenable number.

870487913500 is an abundant number, since it is smaller than the sum of its proper divisors (1030657690676).

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

870487913500 is a wasteful number, since it uses less digits than its factorization.

870487913500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740975846 (or 1740975834 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 870487913500 in words is "eight hundred seventy billion, four hundred eighty-seven million, nine hundred thirteen thousand, five hundred".