99874277 has 2 divisors, whose sum is σ = 99874278. Its totient is φ = 99874276.

The previous prime is 99874199. The next prime is 99874283. The reversal of 99874277 is 77247899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92179201 + 7695076 = 9601^2 + 2774^2 .

It is a cyclic number.

It is not a de Polignac number, because 99874277 - 2¹² = 99870181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99874297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49937138 + 49937139.

It is an arithmetic number, because the mean of its divisors is an integer number (49937139).

Almost surely, 2^99874277 is an apocalyptic number.

It is an amenable number.

99874277 is a deficient number, since it is larger than the sum of its proper divisors (1).

99874277 is an equidigital number, since it uses as much as digits as its factorization.

99874277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1778112, while the sum is 53.

The square root of 99874277 is about 9993.7118729729. The cubic root of 99874277 is about 463.9642836286.

The spelling of 99874277 in words is "ninety-nine million, eight hundred seventy-four thousand, two hundred seventy-seven".