89478894 has 16 divisors (see below), whose sum is σ = 179125632. Its totient is φ = 29798328.

The previous prime is 89478889. The next prime is 89478931. The reversal of 89478894 is 49887498.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567 + ... + 13389.

It is an arithmetic number, because the mean of its divisors is an integer number (11195352).

Almost surely, 2^89478894 is an apocalyptic number.

89478894 is an abundant number, since it is smaller than the sum of its proper divisors (89646738).

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

89478894 is a wasteful number, since it uses less digits than its factorization.

89478894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13991.

The product of its digits is 4644864, while the sum is 57.

The square root of 89478894 is about 9459.3284116791. The cubic root of 89478894 is about 447.2738788735.

The spelling of 89478894 in words is "eighty-nine million, four hundred seventy-eight thousand, eight hundred ninety-four".