89233478 has 4 divisors (see below), whose sum is σ = 133850220. Its totient is φ = 44616738.

The previous prime is 89233477. The next prime is 89233489. The reversal of 89233478 is 87433298.

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

It is a super-2 number, since 2×89233478² = 15925227191952968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89233477) by changing a digit.

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 as a sum of consecutive naturals, namely, 22308368 + ... + 22308371.

It is an arithmetic number, because the mean of its divisors is an integer number (33462555).

Almost surely, 2^89233478 is an apocalyptic number.

89233478 is a deficient number, since it is larger than the sum of its proper divisors (44616742).

89233478 is a wasteful number, since it uses less digits than its factorization.

89233478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44616741.

The product of its digits is 290304, while the sum is 44.

The square root of 89233478 is about 9446.3473364047. The cubic root of 89233478 is about 446.8645880372.

The spelling of 89233478 in words is "eighty-nine million, two hundred thirty-three thousand, four hundred seventy-eight".