774951916 has 12 divisors (see below), whose sum is σ = 1360994040. Its totient is φ = 386096480.

The previous prime is 774951913. The next prime is 774951929. The reversal of 774951916 is 619159477.

It is a super-2 number, since 2×774951916² = 1201100944224142112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 774951916.

It is not an unprimeable number, because it can be changed into a prime (774951911) 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, 343606 + ... + 345853.

It is an arithmetic number, because the mean of its divisors is an integer number (113416170).

Almost surely, 2^774951916 is an apocalyptic number.

It is an amenable number.

774951916 is a deficient number, since it is larger than the sum of its proper divisors (586042124).

774951916 is a wasteful number, since it uses less digits than its factorization.

774951916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689744 (or 689742 counting only the distinct ones).

The product of its digits is 476280, while the sum is 49.

The square root of 774951916 is about 27837.9581866199. The cubic root of 774951916 is about 918.5262779127.

The spelling of 774951916 in words is "seven hundred seventy-four million, nine hundred fifty-one thousand, nine hundred sixteen".