2278799953 has 2 divisors, whose sum is σ = 2278799954. Its totient is φ = 2278799952.

The previous prime is 2278799933. The next prime is 2278799981. The reversal of 2278799953 is 3599978722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2121247249 + 157552704 = 46057^2 + 12552^2 .

It is a cyclic number.

It is not a de Polignac number, because 2278799953 - 2⁹ = 2278799441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2278799891 and 2278799900.

It is not a weakly prime, because it can be changed into another prime (2278799933) 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, 1139399976 + 1139399977.

It is an arithmetic number, because the mean of its divisors is an integer number (1139399977).

Almost surely, 2^2278799953 is an apocalyptic number.

It is an amenable number.

2278799953 is a deficient number, since it is larger than the sum of its proper divisors (1).

2278799953 is an equidigital number, since it uses as much as digits as its factorization.

2278799953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17146080, while the sum is 61.

The square root of 2278799953 is about 47736.7777819157. Note that the first 4 decimals coincide. The cubic root of 2278799953 is about 1315.9379166596.

The spelling of 2278799953 in words is "two billion, two hundred seventy-eight million, seven hundred ninety-nine thousand, nine hundred fifty-three".