89158397 has 2 divisors, whose sum is σ = 89158398. Its totient is φ = 89158396.

The previous prime is 89158357. The next prime is 89158409. The reversal of 89158397 is 79385198.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60310756 + 28847641 = 7766^2 + 5371^2 .

It is a cyclic number.

It is not a de Polignac number, because 89158397 - 2⁸ = 89158141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89158357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44579198 + 44579199.

It is an arithmetic number, because the mean of its divisors is an integer number (44579199).

Almost surely, 2^89158397 is an apocalyptic number.

It is an amenable number.

89158397 is a deficient number, since it is larger than the sum of its proper divisors (1).

89158397 is an equidigital number, since it uses as much as digits as its factorization.

89158397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 50.

The square root of 89158397 is about 9442.3724243434. The cubic root of 89158397 is about 446.7392223291.

The spelling of 89158397 in words is "eighty-nine million, one hundred fifty-eight thousand, three hundred ninety-seven".