82754669 has 2 divisors, whose sum is σ = 82754670. Its totient is φ = 82754668.

The previous prime is 82754647. The next prime is 82754699. The reversal of 82754669 is 96645728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64802500 + 17952169 = 8050^2 + 4237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82754669 is a prime.

It is a super-2 number, since 2×82754669² = 13696670482599122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82754699) 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, 41377334 + 41377335.

It is an arithmetic number, because the mean of its divisors is an integer number (41377335).

Almost surely, 2^82754669 is an apocalyptic number.

It is an amenable number.

82754669 is a deficient number, since it is larger than the sum of its proper divisors (1).

82754669 is an equidigital number, since it uses as much as digits as its factorization.

82754669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 82754669 is about 9096.9593271598. The cubic root of 82754669 is about 435.7768634197.

The spelling of 82754669 in words is "eighty-two million, seven hundred fifty-four thousand, six hundred sixty-nine".