85485880 has 32 divisors (see below), whose sum is σ = 194220000. Its totient is φ = 33860736.

The previous prime is 85485857. The next prime is 85485893. The reversal of 85485880 is 8858458.

It is a self number, because there is not a number n which added to its sum of digits gives 85485880.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6255 + ... + 14494.

It is an arithmetic number, because the mean of its divisors is an integer number (6069375).

Almost surely, 2^85485880 is an apocalyptic number.

It is an amenable number.

85485880 is an abundant number, since it is smaller than the sum of its proper divisors (108734120).

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

85485880 is a wasteful number, since it uses less digits than its factorization.

85485880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20863 (or 20859 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 46.

The square root of 85485880 is about 9245.8574507722. The cubic root of 85485880 is about 440.5191530541.

The spelling of 85485880 in words is "eighty-five million, four hundred eighty-five thousand, eight hundred eighty".