7879402243 has 2 divisors, whose sum is σ = 7879402244. Its totient is φ = 7879402242.

The previous prime is 7879402213. The next prime is 7879402249. The reversal of 7879402243 is 3422049787.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7879402243 - 2⁹ = 7879401731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7879402193 and 7879402202.

It is not a weakly prime, because it can be changed into another prime (7879402249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3939701121 + 3939701122.

It is an arithmetic number, because the mean of its divisors is an integer number (3939701122).

Almost surely, 2^7879402243 is an apocalyptic number.

7879402243 is a deficient number, since it is larger than the sum of its proper divisors (1).

7879402243 is an equidigital number, since it uses as much as digits as its factorization.

7879402243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 7879402243 is about 88765.9971103801. The cubic root of 7879402243 is about 1989.8992603229.

The spelling of 7879402243 in words is "seven billion, eight hundred seventy-nine million, four hundred two thousand, two hundred forty-three".