899635147 has 2 divisors, whose sum is σ = 899635148. Its totient is φ = 899635146.

The previous prime is 899635141. The next prime is 899635169. The reversal of 899635147 is 741536998.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-899635147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 899635094 and 899635103.

It is not a weakly prime, because it can be changed into another prime (899635141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449817573 + 449817574.

It is an arithmetic number, because the mean of its divisors is an integer number (449817574).

Almost surely, 2^899635147 is an apocalyptic number.

899635147 is a deficient number, since it is larger than the sum of its proper divisors (1).

899635147 is an equidigital number, since it uses as much as digits as its factorization.

899635147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The square root of 899635147 is about 29993.9185002560. The cubic root of 899635147 is about 965.3588996758.

The spelling of 899635147 in words is "eight hundred ninety-nine million, six hundred thirty-five thousand, one hundred forty-seven".