89785470 has 16 divisors (see below), whose sum is σ = 215485200. Its totient is φ = 23942784.

The previous prime is 89785441. The next prime is 89785481. The reversal of 89785470 is 7458798.

It is a super-2 number, since 2×89785470² = 16122861246241800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1496395 + ... + 1496454.

It is an arithmetic number, because the mean of its divisors is an integer number (13467825).

Almost surely, 2^89785470 is an apocalyptic number.

89785470 is an abundant number, since it is smaller than the sum of its proper divisors (125699730).

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

89785470 is a wasteful number, since it uses less digits than its factorization.

89785470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992859.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 89785470 is about 9475.5195108237. The cubic root of 89785470 is about 447.7841188573.

The spelling of 89785470 in words is "eighty-nine million, seven hundred eighty-five thousand, four hundred seventy".