769474847 has 2 divisors, whose sum is σ = 769474848. Its totient is φ = 769474846.

The previous prime is 769474841. The next prime is 769474879. The reversal of 769474847 is 748474967.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 769474847 - 2²⁰ = 768426271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 769474792 and 769474801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (769474841) 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 as a sum of consecutive naturals, namely, 384737423 + 384737424.

It is an arithmetic number, because the mean of its divisors is an integer number (384737424).

Almost surely, 2^769474847 is an apocalyptic number.

769474847 is a deficient number, since it is larger than the sum of its proper divisors (1).

769474847 is an equidigital number, since it uses as much as digits as its factorization.

769474847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9483264, while the sum is 56.

The square root of 769474847 is about 27739.4096368326. The cubic root of 769474847 is about 916.3572269626.

The spelling of 769474847 in words is "seven hundred sixty-nine million, four hundred seventy-four thousand, eight hundred forty-seven".