299680897 has 2 divisors, whose sum is σ = 299680898. Its totient is φ = 299680896.

The previous prime is 299680853. The next prime is 299680903. The reversal of 299680897 is 798086992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172239376 + 127441521 = 13124^2 + 11289^2 .

It is a cyclic number.

It is not a de Polignac number, because 299680897 - 2⁷ = 299680769 is a prime.

It is not a weakly prime, because it can be changed into another prime (299680397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149840448 + 149840449.

It is an arithmetic number, because the mean of its divisors is an integer number (149840449).

Almost surely, 2^299680897 is an apocalyptic number.

It is an amenable number.

299680897 is a deficient number, since it is larger than the sum of its proper divisors (1).

299680897 is an equidigital number, since it uses as much as digits as its factorization.

299680897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 58.

The square root of 299680897 is about 17311.2939146674. The cubic root of 299680897 is about 669.1955124737.

The spelling of 299680897 in words is "two hundred ninety-nine million, six hundred eighty thousand, eight hundred ninety-seven".