89097397 has 2 divisors, whose sum is σ = 89097398. Its totient is φ = 89097396.

The previous prime is 89097389. The next prime is 89097401. The reversal of 89097397 is 79379098.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48316401 + 40780996 = 6951^2 + 6386^2 .

It is a cyclic number.

It is not a de Polignac number, because 89097397 - 2³ = 89097389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89097497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44548698 + 44548699.

It is an arithmetic number, because the mean of its divisors is an integer number (44548699).

Almost surely, 2^89097397 is an apocalyptic number.

It is an amenable number.

89097397 is a deficient number, since it is larger than the sum of its proper divisors (1).

89097397 is an equidigital number, since it uses as much as digits as its factorization.

89097397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304, while the sum is 52.

The square root of 89097397 is about 9439.1417512399. The cubic root of 89097397 is about 446.6373163928.

The spelling of 89097397 in words is "eighty-nine million, ninety-seven thousand, three hundred ninety-seven".