89937737 has 2 divisors, whose sum is σ = 89937738. Its totient is φ = 89937736.

The previous prime is 89937709. The next prime is 89937781. The reversal of 89937737 is 73773998.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81288256 + 8649481 = 9016^2 + 2941^2 .

It is a cyclic number.

It is not a de Polignac number, because 89937737 - 2⁸ = 89937481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89937637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44968868 + 44968869.

It is an arithmetic number, because the mean of its divisors is an integer number (44968869).

Almost surely, 2^89937737 is an apocalyptic number.

It is an amenable number.

89937737 is a deficient number, since it is larger than the sum of its proper divisors (1).

89937737 is an equidigital number, since it uses as much as digits as its factorization.

89937737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2000376, while the sum is 53.

The square root of 89937737 is about 9483.5508645233. The cubic root of 89937737 is about 448.0371079621.

The spelling of 89937737 in words is "eighty-nine million, nine hundred thirty-seven thousand, seven hundred thirty-seven".