774640099 has 2 divisors, whose sum is σ = 774640100. Its totient is φ = 774640098.

The previous prime is 774640093. The next prime is 774640133. The reversal of 774640099 is 990046477.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 774640099 - 2⁹ = 774639587 is a prime.

It is not a weakly prime, because it can be changed into another prime (774640093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387320049 + 387320050.

It is an arithmetic number, because the mean of its divisors is an integer number (387320050).

Almost surely, 2^774640099 is an apocalyptic number.

774640099 is a deficient number, since it is larger than the sum of its proper divisors (1).

774640099 is an equidigital number, since it uses as much as digits as its factorization.

774640099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 774640099 is about 27832.3570507422. The cubic root of 774640099 is about 918.4030657385.

The spelling of 774640099 in words is "seven hundred seventy-four million, six hundred forty thousand, ninety-nine".