2278762823 has 2 divisors, whose sum is σ = 2278762824. Its totient is φ = 2278762822.

The previous prime is 2278762813. The next prime is 2278762867. The reversal of 2278762823 is 3282678722.

2278762823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2278762823 - 2⁸ = 2278762567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2278762813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1139381411 + 1139381412.

It is an arithmetic number, because the mean of its divisors is an integer number (1139381412).

Almost surely, 2^2278762823 is an apocalyptic number.

2278762823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2278762823 is an equidigital number, since it uses as much as digits as its factorization.

2278762823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 47.

The square root of 2278762823 is about 47736.3888768306. The cubic root of 2278762823 is about 1315.9307694708.

The spelling of 2278762823 in words is "two billion, two hundred seventy-eight million, seven hundred sixty-two thousand, eight hundred twenty-three".