2778094023 has 4 divisors (see below), whose sum is σ = 3704125368. Its totient is φ = 1852062680.

The previous prime is 2778094021. The next prime is 2778094027. The reversal of 2778094023 is 3204908772.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2778094023 - 2¹ = 2778094021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2778094021) 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 in 3 ways as a sum of consecutive naturals, for example, 463015668 + ... + 463015673.

It is an arithmetic number, because the mean of its divisors is an integer number (926031342).

Almost surely, 2^2778094023 is an apocalyptic number.

2778094023 is a deficient number, since it is larger than the sum of its proper divisors (926031345).

2778094023 is an equidigital number, since it uses as much as digits as its factorization.

2778094023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926031344.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 2778094023 is about 52707.6277496910. The cubic root of 2778094023 is about 1405.7744531220.

The spelling of 2778094023 in words is "two billion, seven hundred seventy-eight million, ninety-four thousand, twenty-three".