85487100 has 36 divisors (see below), whose sum is σ = 247343544. Its totient is φ = 22796480.

The previous prime is 85487093. The next prime is 85487117. The reversal of 85487100 is 178458.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142179 + ... + 142778.

It is an arithmetic number, because the mean of its divisors is an integer number (6870654).

Almost surely, 2^85487100 is an apocalyptic number.

It is an amenable number.

85487100 is an abundant number, since it is smaller than the sum of its proper divisors (161856444).

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

85487100 is a wasteful number, since it uses less digits than its factorization.

85487100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284974 (or 284967 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 85487100 is about 9245.9234260294. The cubic root of 85487100 is about 440.5212486470.

The spelling of 85487100 in words is "eighty-five million, four hundred eighty-seven thousand, one hundred".