773840168 has 8 divisors (see below), whose sum is σ = 1450950330. Its totient is φ = 386920080.

The previous prime is 773840161. The next prime is 773840173. The reversal of 773840168 is 861048377.

It can be written as a sum of positive squares in only one way, i.e., 471845284 + 301994884 = 21722^2 + 17378^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×773840168² = 1197657211220536448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (773840161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48365003 + ... + 48365018.

Almost surely, 2^773840168 is an apocalyptic number.

It is an amenable number.

773840168 is a deficient number, since it is larger than the sum of its proper divisors (677110162).

773840168 is a wasteful number, since it uses less digits than its factorization.

773840168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96730027 (or 96730023 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 773840168 is about 27817.9828168758. The cubic root of 773840168 is about 918.0868276513.

The spelling of 773840168 in words is "seven hundred seventy-three million, eight hundred forty thousand, one hundred sixty-eight".