89473015 has 4 divisors (see below), whose sum is σ = 107367624. Its totient is φ = 71578408.

The previous prime is 89473009. The next prime is 89473019. The reversal of 89473015 is 51037498.

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 89473015 - 2⁹ = 89472503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89473019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8947297 + ... + 8947306.

It is an arithmetic number, because the mean of its divisors is an integer number (26841906).

Almost surely, 2^89473015 is an apocalyptic number.

89473015 is a deficient number, since it is larger than the sum of its proper divisors (17894609).

89473015 is a wasteful number, since it uses less digits than its factorization.

89473015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17894608.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 89473015 is about 9459.0176551268. The cubic root of 89473015 is about 447.2640829667.

The spelling of 89473015 in words is "eighty-nine million, four hundred seventy-three thousand, fifteen".