899553427 has 2 divisors, whose sum is σ = 899553428. Its totient is φ = 899553426.

The previous prime is 899553409. The next prime is 899553439. The reversal of 899553427 is 724355998.

899553427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-899553427 is a prime.

It is not a weakly prime, because it can be changed into another prime (899553497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449776713 + 449776714.

It is an arithmetic number, because the mean of its divisors is an integer number (449776714).

Almost surely, 2^899553427 is an apocalyptic number.

899553427 is a deficient number, since it is larger than the sum of its proper divisors (1).

899553427 is an equidigital number, since it uses as much as digits as its factorization.

899553427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 52.

The square root of 899553427 is about 29992.5561931623. The cubic root of 899553427 is about 965.3296687450.

The spelling of 899553427 in words is "eight hundred ninety-nine million, five hundred fifty-three thousand, four hundred twenty-seven".