99798277 has 2 divisors, whose sum is σ = 99798278. Its totient is φ = 99798276.

The previous prime is 99798233. The next prime is 99798319. The reversal of 99798277 is 77289799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99380961 + 417316 = 9969^2 + 646^2 .

It is a cyclic number.

It is not a de Polignac number, because 99798277 - 2¹⁵ = 99765509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99798977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49899138 + 49899139.

It is an arithmetic number, because the mean of its divisors is an integer number (49899139).

Almost surely, 2^99798277 is an apocalyptic number.

It is an amenable number.

99798277 is a deficient number, since it is larger than the sum of its proper divisors (1).

99798277 is an equidigital number, since it uses as much as digits as its factorization.

99798277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000752, while the sum is 58.

The square root of 99798277 is about 9989.9087583421. The cubic root of 99798277 is about 463.8465681884.

The spelling of 99798277 in words is "ninety-nine million, seven hundred ninety-eight thousand, two hundred seventy-seven".