774421109 has 16 divisors (see below), whose sum is σ = 1007493120. Its totient is φ = 577206960.

The previous prime is 774421091. The next prime is 774421159. The reversal of 774421109 is 901124477.

It is not a de Polignac number, because 774421109 - 2⁸ = 774420853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774421159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216869 + ... + 220410.

It is an arithmetic number, because the mean of its divisors is an integer number (62968320).

Almost surely, 2^774421109 is an apocalyptic number.

It is an amenable number.

774421109 is a deficient number, since it is larger than the sum of its proper divisors (233072011).

774421109 is a wasteful number, since it uses less digits than its factorization.

774421109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437320.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 774421109 is about 27828.4226825740. The cubic root of 774421109 is about 918.3165136984.

The spelling of 774421109 in words is "seven hundred seventy-four million, four hundred twenty-one thousand, one hundred nine".