82875769 has 2 divisors, whose sum is σ = 82875770. Its totient is φ = 82875768.

The previous prime is 82875743. The next prime is 82875773. The reversal of 82875769 is 96757828.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77211369 + 5664400 = 8787^2 + 2380^2 .

It is a cyclic number.

It is not a de Polignac number, because 82875769 - 2⁷ = 82875641 is a prime.

It is a super-2 number, since 2×82875769² = 13736786174682722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82875269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41437884 + 41437885.

It is an arithmetic number, because the mean of its divisors is an integer number (41437885).

Almost surely, 2^82875769 is an apocalyptic number.

It is an amenable number.

82875769 is a deficient number, since it is larger than the sum of its proper divisors (1).

82875769 is an equidigital number, since it uses as much as digits as its factorization.

82875769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 52.

The square root of 82875769 is about 9103.6129640929. The cubic root of 82875769 is about 435.9893261843.

The spelling of 82875769 in words is "eighty-two million, eight hundred seventy-five thousand, seven hundred sixty-nine".