765530047 has 2 divisors, whose sum is σ = 765530048. Its totient is φ = 765530046.

The previous prime is 765530041. The next prime is 765530063. The reversal of 765530047 is 740035567.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 765530047 - 2¹¹ = 765527999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 765529988 and 765530015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (765530041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382765023 + 382765024.

It is an arithmetic number, because the mean of its divisors is an integer number (382765024).

Almost surely, 2^765530047 is an apocalyptic number.

765530047 is a deficient number, since it is larger than the sum of its proper divisors (1).

765530047 is an equidigital number, since it uses as much as digits as its factorization.

765530047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 765530047 is about 27668.2136575530. The cubic root of 765530047 is about 914.7886069430.

The spelling of 765530047 in words is "seven hundred sixty-five million, five hundred thirty thousand, forty-seven".