86889474 has 24 divisors (see below), whose sum is σ = 215155200. Its totient is φ = 24825528.

The previous prime is 86889449. The next prime is 86889487. The reversal of 86889474 is 47498868.

It is a self number, because there is not a number n which added to its sum of digits gives 86889474.

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 11 ways as a sum of consecutive naturals, for example, 344674 + ... + 344925.

It is an arithmetic number, because the mean of its divisors is an integer number (8964800).

Almost surely, 2^86889474 is an apocalyptic number.

86889474 is an abundant number, since it is smaller than the sum of its proper divisors (128265726).

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

86889474 is a wasteful number, since it uses less digits than its factorization.

86889474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689614 (or 689611 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 86889474 is about 9321.4523546495. The cubic root of 86889474 is about 442.9170405183.

The spelling of 86889474 in words is "eighty-six million, eight hundred eighty-nine thousand, four hundred seventy-four".