899619667 has 2 divisors, whose sum is σ = 899619668. Its totient is φ = 899619666.

The previous prime is 899619647. The next prime is 899619673. The reversal of 899619667 is 766916998.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 899619667 - 2¹⁵ = 899586899 is a prime.

It is not a weakly prime, because it can be changed into another prime (899619647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449809833 + 449809834.

It is an arithmetic number, because the mean of its divisors is an integer number (449809834).

Almost surely, 2^899619667 is an apocalyptic number.

899619667 is a deficient number, since it is larger than the sum of its proper divisors (1).

899619667 is an equidigital number, since it uses as much as digits as its factorization.

899619667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984, while the sum is 61.

The square root of 899619667 is about 29993.6604468344. The cubic root of 899619667 is about 965.3533626750.

The spelling of 899619667 in words is "eight hundred ninety-nine million, six hundred nineteen thousand, six hundred sixty-seven".