346777047 has 12 divisors (see below), whose sum is σ = 504092680. Its totient is φ = 229711248.

The previous prime is 346777027. The next prime is 346777073. The reversal of 346777047 is 740777643.

It is not a de Polignac number, because 346777047 - 2⁷ = 346776919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 346776993 and 346777011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346777027) 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 in 11 ways as a sum of consecutive naturals, for example, 121297 + ... + 124122.

Almost surely, 2^346777047 is an apocalyptic number.

346777047 is a deficient number, since it is larger than the sum of its proper divisors (157315633).

346777047 is a wasteful number, since it uses less digits than its factorization.

346777047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245582 (or 245579 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 45.

The square root of 346777047 is about 18621.9506765537. The cubic root of 346777047 is about 702.5600456943.

The spelling of 346777047 in words is "three hundred forty-six million, seven hundred seventy-seven thousand, forty-seven".