89244791 has 4 divisors (see below), whose sum is σ = 89302752. Its totient is φ = 89186832.

The previous prime is 89244787. The next prime is 89244809. The reversal of 89244791 is 19744298.

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 89244791 - 2² = 89244787 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 (89244091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26606 + ... + 29771.

It is an arithmetic number, because the mean of its divisors is an integer number (22325688).

Almost surely, 2^89244791 is an apocalyptic number.

89244791 is a deficient number, since it is larger than the sum of its proper divisors (57961).

89244791 is a wasteful number, since it uses less digits than its factorization.

89244791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57960.

The product of its digits is 145152, while the sum is 44.

The square root of 89244791 is about 9446.9461203079. The cubic root of 89244791 is about 446.8834717027.

The spelling of 89244791 in words is "eighty-nine million, two hundred forty-four thousand, seven hundred ninety-one".