89995247 has 4 divisors (see below), whose sum is σ = 90031776. Its totient is φ = 89958720.

The previous prime is 89995223. The next prime is 89995249. The reversal of 89995247 is 74259998.

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 89995247 - 2⁶ = 89995183 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 (89995249) 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, 14279 + ... + 19592.

It is an arithmetic number, because the mean of its divisors is an integer number (22507944).

Almost surely, 2^89995247 is an apocalyptic number.

89995247 is a deficient number, since it is larger than the sum of its proper divisors (36529).

89995247 is a wasteful number, since it uses less digits than its factorization.

89995247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36528.

The product of its digits is 1632960, while the sum is 53.

The square root of 89995247 is about 9486.5824721024. The cubic root of 89995247 is about 448.1325855847.

The spelling of 89995247 in words is "eighty-nine million, nine hundred ninety-five thousand, two hundred forty-seven".