89740478 has 4 divisors (see below), whose sum is σ = 134610720. Its totient is φ = 44870238.

The previous prime is 89740459. The next prime is 89740487. The reversal of 89740478 is 87404798.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22435118 + ... + 22435121.

It is an arithmetic number, because the mean of its divisors is an integer number (33652680).

Almost surely, 2^89740478 is an apocalyptic number.

89740478 is a deficient number, since it is larger than the sum of its proper divisors (44870242).

89740478 is a wasteful number, since it uses less digits than its factorization.

89740478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44870241.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 89740478 is about 9473.1450954791. The cubic root of 89740478 is about 447.7093106534.

The spelling of 89740478 in words is "eighty-nine million, seven hundred forty thousand, four hundred seventy-eight".