777328964 has 6 divisors (see below), whose sum is σ = 1360325694. Its totient is φ = 388664480.

The previous prime is 777328943. The next prime is 777328973. The reversal of 777328964 is 469823777.

It can be written as a sum of positive squares in only one way, i.e., 639078400 + 138250564 = 25280^2 + 11758^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97166117 + ... + 97166124.

It is an arithmetic number, because the mean of its divisors is an integer number (226720949).

Almost surely, 2^777328964 is an apocalyptic number.

It is an amenable number.

777328964 is a deficient number, since it is larger than the sum of its proper divisors (582996730).

777328964 is a wasteful number, since it uses less digits than its factorization.

777328964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194332245 (or 194332243 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 53.

The square root of 777328964 is about 27880.6198639844. The cubic root of 777328964 is about 919.4644662080.

The spelling of 777328964 in words is "seven hundred seventy-seven million, three hundred twenty-eight thousand, nine hundred sixty-four".