774444431 has 8 divisors (see below), whose sum is σ = 810257280. Its totient is φ = 738810072.

The previous prime is 774444413. The next prime is 774444457. The reversal of 774444431 is 134444477.

It is a happy number.

774444431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 774444431 - 2¹⁸ = 774182287 is a prime.

It is a super-2 number, since 2×774444431² = 1199528353413827522, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774444131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35705 + ... + 53138.

It is an arithmetic number, because the mean of its divisors is an integer number (101282160).

Almost surely, 2^774444431 is an apocalyptic number.

774444431 is a deficient number, since it is larger than the sum of its proper divisors (35812849).

774444431 is a wasteful number, since it uses less digits than its factorization.

774444431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89245.

The product of its digits is 150528, while the sum is 38.

The square root of 774444431 is about 27828.8417114331. The cubic root of 774444431 is about 918.3257320950.

The spelling of 774444431 in words is "seven hundred seventy-four million, four hundred forty-four thousand, four hundred thirty-one".