89423827 has 4 divisors (see below), whose sum is σ = 89570320. Its totient is φ = 89277336.

The previous prime is 89423821. The next prime is 89423837. The reversal of 89423827 is 72832498.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89423827 - 2¹⁹ = 88899539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89423821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72327 + ... + 73552.

It is an arithmetic number, because the mean of its divisors is an integer number (22392580).

Almost surely, 2^89423827 is an apocalyptic number.

89423827 is a deficient number, since it is larger than the sum of its proper divisors (146493).

89423827 is a wasteful number, since it uses less digits than its factorization.

89423827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146492.

The product of its digits is 193536, while the sum is 43.

The square root of 89423827 is about 9456.4172391028. The cubic root of 89423827 is about 447.1821064495.

It can be divided in two parts, 8942 and 3827, that added together give a square (12769 = 113²).

The spelling of 89423827 in words is "eighty-nine million, four hundred twenty-three thousand, eight hundred twenty-seven".