827090899 has 2 divisors, whose sum is σ = 827090900. Its totient is φ = 827090898.

The previous prime is 827090893. The next prime is 827090921. The reversal of 827090899 is 998090728.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 827090899 - 2⁵ = 827090867 is a prime.

It is not a weakly prime, because it can be changed into another prime (827090893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413545449 + 413545450.

It is an arithmetic number, because the mean of its divisors is an integer number (413545450).

Almost surely, 2^827090899 is an apocalyptic number.

827090899 is a deficient number, since it is larger than the sum of its proper divisors (1).

827090899 is an equidigital number, since it uses as much as digits as its factorization.

827090899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 52.

The square root of 827090899 is about 28759.1880796381. The cubic root of 827090899 is about 938.6803948503.

The spelling of 827090899 in words is "eight hundred twenty-seven million, ninety thousand, eight hundred ninety-nine".