776313243 has 12 divisors (see below), whose sum is σ = 1151648368. Its totient is φ = 503554320.

The previous prime is 776313233. The next prime is 776313257. The reversal of 776313243 is 342313677.

It is not a de Polignac number, because 776313243 - 2¹² = 776309147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 776313198 and 776313207.

It is not an unprimeable number, because it can be changed into a prime (776313233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1165303 + ... + 1165968.

Almost surely, 2^776313243 is an apocalyptic number.

776313243 is a deficient number, since it is larger than the sum of its proper divisors (375335125).

776313243 is a wasteful number, since it uses less digits than its factorization.

776313243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331314 (or 2331311 counting only the distinct ones).

The product of its digits is 63504, while the sum is 36.

The square root of 776313243 is about 27862.3983712817. The cubic root of 776313243 is about 919.0638093930.

The spelling of 776313243 in words is "seven hundred seventy-six million, three hundred thirteen thousand, two hundred forty-three".