84575880 has 64 divisors (see below), whose sum is σ = 281923200. Its totient is φ = 22553280.

The previous prime is 84575857. The next prime is 84575893. The reversal of 84575880 is 8857548.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38076 + ... + 40235.

It is an arithmetic number, because the mean of its divisors is an integer number (4405050).

Almost surely, 2^84575880 is an apocalyptic number.

It is an amenable number.

84575880 is an abundant number, since it is smaller than the sum of its proper divisors (197347320).

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

84575880 is a wasteful number, since it uses less digits than its factorization.

84575880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78331 (or 78321 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 84575880 is about 9196.5145571570. The cubic root of 84575880 is about 438.9504599359.

The spelling of 84575880 in words is "eighty-four million, five hundred seventy-five thousand, eight hundred eighty".