776956328 has 16 divisors (see below), whose sum is σ = 1466572500. Its totient is φ = 385870336.

The previous prime is 776956283. The next prime is 776956339. The reversal of 776956328 is 823659677.

It can be written as a sum of positive squares in 2 ways, for example, as 630110404 + 146845924 = 25102^2 + 12118^2 .

It is a super-2 number, since 2×776956328² = 1207322271238487168, 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 776956328.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324713 + ... + 327096.

Almost surely, 2^776956328 is an apocalyptic number.

It is an amenable number.

776956328 is a deficient number, since it is larger than the sum of its proper divisors (689616172).

776956328 is a wasteful number, since it uses less digits than its factorization.

776956328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651964 (or 651960 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 53.

The square root of 776956328 is about 27873.9363563886. The cubic root of 776956328 is about 919.3175184160.

The spelling of 776956328 in words is "seven hundred seventy-six million, nine hundred fifty-six thousand, three hundred twenty-eight".