2778324158323 has 12 divisors (see below), whose sum is σ = 3232553891232. Its totient is φ = 2380959599760.

The previous prime is 2778324158293. The next prime is 2778324158353. The reversal of 2778324158323 is 3238514238772.

It is an interprime number because it is at equal distance from previous prime (2778324158293) and next prime (2778324158353).

It is not a de Polignac number, because 2778324158323 - 2²¹ = 2778322061171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2778324158353) 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 in 11 ways as a sum of consecutive naturals, for example, 5233608 + ... + 5739973.

It is an arithmetic number, because the mean of its divisors is an integer number (269379490936).

Almost surely, 2^{2778324158323} is an apocalyptic number.

2778324158323 is a deficient number, since it is larger than the sum of its proper divisors (454229732909).

2778324158323 is a wasteful number, since it uses less digits than its factorization.

2778324158323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10978762 (or 10978755 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 55.

The spelling of 2778324158323 in words is "two trillion, seven hundred seventy-eight billion, three hundred twenty-four million, one hundred fifty-eight thousand, three hundred twenty-three".