99278041 has 2 divisors, whose sum is σ = 99278042. Its totient is φ = 99278040.

The previous prime is 99278033. The next prime is 99278077. The reversal of 99278041 is 14087299.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56310016 + 42968025 = 7504^2 + 6555^2 .

It is a cyclic number.

It is not a de Polignac number, because 99278041 - 2³ = 99278033 is a prime.

It is a super-2 number, since 2×99278041² = 19712258849595362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99277985 and 99278003.

It is not a weakly prime, because it can be changed into another prime (99279041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49639020 + 49639021.

It is an arithmetic number, because the mean of its divisors is an integer number (49639021).

Almost surely, 2^99278041 is an apocalyptic number.

It is an amenable number.

99278041 is a deficient number, since it is larger than the sum of its proper divisors (1).

99278041 is an equidigital number, since it uses as much as digits as its factorization.

99278041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 99278041 is about 9963.8366606443. The cubic root of 99278041 is about 463.0391721262.

The spelling of 99278041 in words is "ninety-nine million, two hundred seventy-eight thousand, forty-one".