899000671 has 2 divisors, whose sum is σ = 899000672. Its totient is φ = 899000670.

The previous prime is 899000657. The next prime is 899000689. The reversal of 899000671 is 176000998.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 899000671 - 2⁹ = 899000159 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (899000611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449500335 + 449500336.

It is an arithmetic number, because the mean of its divisors is an integer number (449500336).

Almost surely, 2^899000671 is an apocalyptic number.

899000671 is a deficient number, since it is larger than the sum of its proper divisors (1).

899000671 is an equidigital number, since it uses as much as digits as its factorization.

899000671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 899000671 is about 29983.3398906793. The cubic root of 899000671 is about 965.1319035424.

The spelling of 899000671 in words is "eight hundred ninety-nine million, six hundred seventy-one", and thus it is an aban number.