89627897 has 2 divisors, whose sum is σ = 89627898. Its totient is φ = 89627896.

The previous prime is 89627891. The next prime is 89627933. The reversal of 89627897 is 79872698.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57320041 + 32307856 = 7571^2 + 5684^2 .

It is a cyclic number.

It is not a de Polignac number, because 89627897 - 2⁸ = 89627641 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89627891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44813948 + 44813949.

It is an arithmetic number, because the mean of its divisors is an integer number (44813949).

Almost surely, 2^89627897 is an apocalyptic number.

It is an amenable number.

89627897 is a deficient number, since it is larger than the sum of its proper divisors (1).

89627897 is an equidigital number, since it uses as much as digits as its factorization.

89627897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 56.

The square root of 89627897 is about 9467.2011175426. The cubic root of 89627897 is about 447.5220125872.

The spelling of 89627897 in words is "eighty-nine million, six hundred twenty-seven thousand, eight hundred ninety-seven".