774842896 has 15 divisors (see below), whose sum is σ = 1501473871. Its totient is φ = 387365776.

The previous prime is 774842891. The next prime is 774842897. The reversal of 774842896 is 698248477.

It is a happy number.

The square root of 774842896 is 27836.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (774842891) by changing a digit.

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 in 2 ways as a sum of consecutive naturals, for example, 107865 + ... + 114823.

Almost surely, 2^774842896 is an apocalyptic number.

774842896 is the 27836-th square number.

It is an amenable number.

774842896 is a deficient number, since it is larger than the sum of its proper divisors (726630975).

774842896 is an frugal number, since it uses more digits than its factorization.

774842896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13926 (or 6961 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 55.

The cubic root of 774842896 is about 918.4832032269.

The spelling of 774842896 in words is "seven hundred seventy-four million, eight hundred forty-two thousand, eight hundred ninety-six".