2786828123 has 6 divisors (see below), whose sum is σ = 2864184876. Its totient is φ = 2711507112.

The previous prime is 2786828119. The next prime is 2786828131. The reversal of 2786828123 is 3218286872.

It is not a de Polignac number, because 2786828123 - 2² = 2786828119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2786828423) 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 5 ways as a sum of consecutive naturals, for example, 1016465 + ... + 1019202.

It is an arithmetic number, because the mean of its divisors is an integer number (477364146).

Almost surely, 2^2786828123 is an apocalyptic number.

2786828123 is a deficient number, since it is larger than the sum of its proper divisors (77356753).

2786828123 is an equidigital number, since it uses as much as digits as its factorization.

2786828123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035741 (or 2035704 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 2786828123 is about 52790.4169617934. The cubic root of 2786828123 is about 1407.2461251611.

The spelling of 2786828123 in words is "two billion, seven hundred eighty-six million, eight hundred twenty-eight thousand, one hundred twenty-three".