90682847 has 2 divisors, whose sum is σ = 90682848. Its totient is φ = 90682846.

The previous prime is 90682817. The next prime is 90682853. The reversal of 90682847 is 74828609.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90682847 - 2²⁰ = 89634271 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 90682798 and 90682807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90682807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45341423 + 45341424.

It is an arithmetic number, because the mean of its divisors is an integer number (45341424).

Almost surely, 2^90682847 is an apocalyptic number.

90682847 is a deficient number, since it is larger than the sum of its proper divisors (1).

90682847 is an equidigital number, since it uses as much as digits as its factorization.

90682847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 90682847 is about 9522.7541709319. The cubic root of 90682847 is about 449.2709957757.

The spelling of 90682847 in words is "ninety million, six hundred eighty-two thousand, eight hundred forty-seven".