89785814 has 8 divisors (see below), whose sum is σ = 134877960. Its totient is φ = 44826496.

The previous prime is 89785793. The next prime is 89785837. The reversal of 89785814 is 41858798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×89785814² = 16122984791285192, 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 3 ways as a sum of consecutive naturals, for example, 31499 + ... + 34230.

It is an arithmetic number, because the mean of its divisors is an integer number (16859745).

Almost surely, 2^89785814 is an apocalyptic number.

89785814 is a deficient number, since it is larger than the sum of its proper divisors (45092146).

89785814 is a wasteful number, since it uses less digits than its factorization.

89785814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66414.

The product of its digits is 645120, while the sum is 50.

The square root of 89785814 is about 9475.5376628453. The cubic root of 89785814 is about 447.7846907298.

The spelling of 89785814 in words is "eighty-nine million, seven hundred eighty-five thousand, eight hundred fourteen".