97288999 has 2 divisors, whose sum is σ = 97289000. Its totient is φ = 97288998.

The previous prime is 97288969. The next prime is 97289009. The reversal of 97288999 is 99988279.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97288999 - 2⁵ = 97288967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97288969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48644499 + 48644500.

It is an arithmetic number, because the mean of its divisors is an integer number (48644500).

Almost surely, 2^97288999 is an apocalyptic number.

97288999 is a deficient number, since it is larger than the sum of its proper divisors (1).

97288999 is an equidigital number, since it uses as much as digits as its factorization.

97288999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 61.

The square root of 97288999 is about 9863.5185912533. The cubic root of 97288999 is about 459.9259474367.

The spelling of 97288999 in words is "ninety-seven million, two hundred eighty-eight thousand, nine hundred ninety-nine".