776838316 has 12 divisors (see below), whose sum is σ = 1392625080. Its totient is φ = 378945440.

The previous prime is 776838289. The next prime is 776838319. The reversal of 776838316 is 613838677.

It is a self number, because there is not a number n which added to its sum of digits gives 776838316.

It is not an unprimeable number, because it can be changed into a prime (776838319) 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, 2368246 + ... + 2368573.

It is an arithmetic number, because the mean of its divisors is an integer number (116052090).

Almost surely, 2^776838316 is an apocalyptic number.

It is an amenable number.

776838316 is a deficient number, since it is larger than the sum of its proper divisors (615786764).

776838316 is a wasteful number, since it uses less digits than its factorization.

776838316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4736864 (or 4736862 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 776838316 is about 27871.8193880486. The cubic root of 776838316 is about 919.2709709725.

The spelling of 776838316 in words is "seven hundred seventy-six million, eight hundred thirty-eight thousand, three hundred sixteen".