7776423 has 6 divisors (see below), whose sum is σ = 11232624. Its totient is φ = 5184276.

The previous prime is 7776413. The next prime is 7776427. The reversal of 7776423 is 3246777.

7776423 is a `hidden beast` number, since 7 + 7 + 7 + 642 + 3 = 666.

It is not a de Polignac number, because 7776423 - 2¹⁰ = 7775399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7776427) 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 5 ways as a sum of consecutive naturals, for example, 432015 + ... + 432032.

It is an arithmetic number, because the mean of its divisors is an integer number (1872104).

Almost surely, 2^7776423 is an apocalyptic number.

7776423 is a deficient number, since it is larger than the sum of its proper divisors (3456201).

7776423 is a wasteful number, since it uses less digits than its factorization.

7776423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864053 (or 864050 counting only the distinct ones).

The product of its digits is 49392, while the sum is 36.

The square root of 7776423 is about 2788.6238541618. The cubic root of 7776423 is about 198.1192272431.

The spelling of 7776423 in words is "seven million, seven hundred seventy-six thousand, four hundred twenty-three".