2279678043 has 4 divisors (see below), whose sum is σ = 3039570728. Its totient is φ = 1519785360.

The previous prime is 2279678039. The next prime is 2279678047. The reversal of 2279678043 is 3408769722.

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

It is an interprime number because it is at equal distance from previous prime (2279678039) and next prime (2279678047).

It is not a de Polignac number, because 2279678043 - 2² = 2279678039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2279677983 and 2279678001.

It is not an unprimeable number, because it can be changed into a prime (2279678047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379946338 + ... + 379946343.

It is an arithmetic number, because the mean of its divisors is an integer number (759892682).

Almost surely, 2^2279678043 is an apocalyptic number.

2279678043 is a deficient number, since it is larger than the sum of its proper divisors (759892685).

2279678043 is an equidigital number, since it uses as much as digits as its factorization.

2279678043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759892684.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 2279678043 is about 47745.9741025356. The cubic root of 2279678043 is about 1316.1069184095.

The spelling of 2279678043 in words is "two billion, two hundred seventy-nine million, six hundred seventy-eight thousand, forty-three".