89713087 has 4 divisors (see below), whose sum is σ = 93613680. Its totient is φ = 85812496.

The previous prime is 89713061. The next prime is 89713109. The reversal of 89713087 is 78031798.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89713087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89713027) 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, 1950262 + ... + 1950307.

It is an arithmetic number, because the mean of its divisors is an integer number (23403420).

Almost surely, 2^89713087 is an apocalyptic number.

89713087 is a deficient number, since it is larger than the sum of its proper divisors (3900593).

89713087 is a wasteful number, since it uses less digits than its factorization.

89713087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900592.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 89713087 is about 9471.6992667631. The cubic root of 89713087 is about 447.6637553890.

The spelling of 89713087 in words is "eighty-nine million, seven hundred thirteen thousand, eighty-seven".