89090801 has 2 divisors, whose sum is σ = 89090802. Its totient is φ = 89090800.

The previous prime is 89090759. The next prime is 89090819. The reversal of 89090801 is 10809098.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59660176 + 29430625 = 7724^2 + 5425^2 .

It is a cyclic number.

It is not a de Polignac number, because 89090801 - 2⁶ = 89090737 is a prime.

It is not a weakly prime, because it can be changed into another prime (89090821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44545400 + 44545401.

It is an arithmetic number, because the mean of its divisors is an integer number (44545401).

Almost surely, 2^89090801 is an apocalyptic number.

It is an amenable number.

89090801 is a deficient number, since it is larger than the sum of its proper divisors (1).

89090801 is an equidigital number, since it uses as much as digits as its factorization.

89090801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 89090801 is about 9438.7923486005. The cubic root of 89090801 is about 446.6262944006.

Adding to 89090801 its reverse (10809098), we get a palindrome (99899899).

The spelling of 89090801 in words is "eighty-nine million, ninety thousand, eight hundred one".