89244997 has 2 divisors, whose sum is σ = 89244998. Its totient is φ = 89244996.

The previous prime is 89244979. The next prime is 89245007. The reversal of 89244997 is 79944298.

It is a happy number.

Together with previous prime (89244979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88529281 + 715716 = 9409^2 + 846^2 .

It is a cyclic number.

It is not a de Polignac number, because 89244997 - 2¹¹ = 89242949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89244097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44622498 + 44622499.

It is an arithmetic number, because the mean of its divisors is an integer number (44622499).

Almost surely, 2^89244997 is an apocalyptic number.

It is an amenable number.

89244997 is a deficient number, since it is larger than the sum of its proper divisors (1).

89244997 is an equidigital number, since it uses as much as digits as its factorization.

89244997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 52.

The square root of 89244997 is about 9446.9570232959. The cubic root of 89244997 is about 446.8838155432.

The spelling of 89244997 in words is "eighty-nine million, two hundred forty-four thousand, nine hundred ninety-seven".