89896637 has 2 divisors, whose sum is σ = 89896638. Its totient is φ = 89896636.

The previous prime is 89896603. The next prime is 89896669. The reversal of 89896637 is 73669898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72012196 + 17884441 = 8486^2 + 4229^2 .

It is a cyclic number.

It is not a de Polignac number, because 89896637 - 2⁸ = 89896381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89896537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44948318 + 44948319.

It is an arithmetic number, because the mean of its divisors is an integer number (44948319).

Almost surely, 2^89896637 is an apocalyptic number.

It is an amenable number.

89896637 is a deficient number, since it is larger than the sum of its proper divisors (1).

89896637 is an equidigital number, since it uses as much as digits as its factorization.

89896637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 56.

The square root of 89896637 is about 9481.3837070335. The cubic root of 89896637 is about 447.9688491441.

The spelling of 89896637 in words is "eighty-nine million, eight hundred ninety-six thousand, six hundred thirty-seven".