85522880 has 28 divisors (see below), whose sum is σ = 203652120. Its totient is φ = 34209024.

The previous prime is 85522847. The next prime is 85522909. The reversal of 85522880 is 8822558.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133310 + ... + 133949.

It is an arithmetic number, because the mean of its divisors is an integer number (7273290).

Almost surely, 2^85522880 is an apocalyptic number.

85522880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85522880 is an abundant number, since it is smaller than the sum of its proper divisors (118129240).

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

85522880 is a wasteful number, since it uses less digits than its factorization.

85522880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267276 (or 267266 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 38.

The square root of 85522880 is about 9247.8581303997. The cubic root of 85522880 is about 440.5826990560.

The spelling of 85522880 in words is "eighty-five million, five hundred twenty-two thousand, eight hundred eighty".