85870884 has 24 divisors (see below), whose sum is σ = 218580768. Its totient is φ = 26021440.

The previous prime is 85870877. The next prime is 85870903. The reversal of 85870884 is 48807858.

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, 325137 + ... + 325400.

It is an arithmetic number, because the mean of its divisors is an integer number (9107532).

Almost surely, 2^85870884 is an apocalyptic number.

It is an amenable number.

85870884 is an abundant number, since it is smaller than the sum of its proper divisors (132709884).

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

85870884 is a wasteful number, since it uses less digits than its factorization.

85870884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650555 (or 650553 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 48.

The square root of 85870884 is about 9266.6544124619. The cubic root of 85870884 is about 441.1794868960.

The spelling of 85870884 in words is "eighty-five million, eight hundred seventy thousand, eight hundred eighty-four".