6776433425 has 24 divisors (see below), whose sum is σ = 8626263360. Its totient is φ = 5277787200.

The previous prime is 6776433409. The next prime is 6776433449. The reversal of 6776433425 is 5243346776.

It is not a de Polignac number, because 6776433425 - 2⁴ = 6776433409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6776433425.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324191 + ... + 344459.

It is an arithmetic number, because the mean of its divisors is an integer number (359427640).

Almost surely, 2^6776433425 is an apocalyptic number.

It is an amenable number.

6776433425 is a deficient number, since it is larger than the sum of its proper divisors (1849829935).

6776433425 is a wasteful number, since it uses less digits than its factorization.

6776433425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20633 (or 20628 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 47.

The square root of 6776433425 is about 82319.0951420143. The cubic root of 6776433425 is about 1892.3453266464.

The spelling of 6776433425 in words is "six billion, seven hundred seventy-six million, four hundred thirty-three thousand, four hundred twenty-five".