87985500 has 48 divisors (see below), whose sum is σ = 256218144. Its totient is φ = 23462400.

The previous prime is 87985493. The next prime is 87985501. The reversal of 87985500 is 558978.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87985501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27829 + ... + 30828.

It is an arithmetic number, because the mean of its divisors is an integer number (5337878).

Almost surely, 2^87985500 is an apocalyptic number.

It is an amenable number.

87985500 is an abundant number, since it is smaller than the sum of its proper divisors (168232644).

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

87985500 is a wasteful number, since it uses less digits than its factorization.

87985500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58679 (or 58667 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 87985500 is about 9380.0586352112. The cubic root of 87985500 is about 444.7715866876.

The spelling of 87985500 in words is "eighty-seven million, nine hundred eighty-five thousand, five hundred".