774398099 has 2 divisors, whose sum is σ = 774398100. Its totient is φ = 774398098.

The previous prime is 774398083. The next prime is 774398159. The reversal of 774398099 is 990893477.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 774398099 - 2⁴ = 774398083 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (774398299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387199049 + 387199050.

It is an arithmetic number, because the mean of its divisors is an integer number (387199050).

Almost surely, 2^774398099 is an apocalyptic number.

774398099 is a deficient number, since it is larger than the sum of its proper divisors (1).

774398099 is an equidigital number, since it uses as much as digits as its factorization.

774398099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The square root of 774398099 is about 27828.0092532685. The cubic root of 774398099 is about 918.3074184435.

The spelling of 774398099 in words is "seven hundred seventy-four million, three hundred ninety-eight thousand, ninety-nine".