774163213 has 4 divisors (see below), whose sum is σ = 776206240. Its totient is φ = 772120188.

The previous prime is 774163199. The next prime is 774163223. The reversal of 774163213 is 312361477.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312361477 = 10037 ⋅31121.

It is a cyclic number.

It is not a de Polignac number, because 774163213 - 2²⁹ = 237292301 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 (774163223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020945 + ... + 1021702.

It is an arithmetic number, because the mean of its divisors is an integer number (194051560).

Almost surely, 2^774163213 is an apocalyptic number.

It is an amenable number.

774163213 is a deficient number, since it is larger than the sum of its proper divisors (2043027).

774163213 is a wasteful number, since it uses less digits than its factorization.

774163213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043026.

The product of its digits is 21168, while the sum is 34.

The square root of 774163213 is about 27823.7886169371. The cubic root of 774163213 is about 918.2145638044.

The spelling of 774163213 in words is "seven hundred seventy-four million, one hundred sixty-three thousand, two hundred thirteen".