99984277 has 2 divisors, whose sum is σ = 99984278. Its totient is φ = 99984276.

The previous prime is 99984271. The next prime is 99984319. The reversal of 99984277 is 77248999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54745201 + 45239076 = 7399^2 + 6726^2 .

It is a cyclic number.

It is not a de Polignac number, because 99984277 - 2⁷ = 99984149 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 (99984271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49992138 + 49992139.

It is an arithmetic number, because the mean of its divisors is an integer number (49992139).

Almost surely, 2^99984277 is an apocalyptic number.

It is an amenable number.

99984277 is a deficient number, since it is larger than the sum of its proper divisors (1).

99984277 is an equidigital number, since it uses as much as digits as its factorization.

99984277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 55.

The square root of 99984277 is about 9999.2138190960. The cubic root of 99984277 is about 464.1345555191.

The spelling of 99984277 in words is "ninety-nine million, nine hundred eighty-four thousand, two hundred seventy-seven".