9900827 has 2 divisors, whose sum is σ = 9900828. Its totient is φ = 9900826.

The previous prime is 9900799. The next prime is 9900857. The reversal of 9900827 is 7280099.

9900827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (7280099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9900827 - 2²⁰ = 8852251 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (9900857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4950413 + 4950414.

It is an arithmetic number, because the mean of its divisors is an integer number (4950414).

Almost surely, 2^9900827 is an apocalyptic number.

9900827 is a deficient number, since it is larger than the sum of its proper divisors (1).

9900827 is an equidigital number, since it uses as much as digits as its factorization.

9900827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 9900827 is about 3146.5579606929. The cubic root of 9900827 is about 214.7288957203.

The spelling of 9900827 in words is "nine million, nine hundred thousand, eight hundred twenty-seven".