7879867243 has 2 divisors, whose sum is σ = 7879867244. Its totient is φ = 7879867242.

The previous prime is 7879867241. The next prime is 7879867249. The reversal of 7879867243 is 3427689787.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7879867243 - 2¹ = 7879867241 is a prime.

Together with 7879867241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7879867241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3939933621 + 3939933622.

It is an arithmetic number, because the mean of its divisors is an integer number (3939933622).

Almost surely, 2^7879867243 is an apocalyptic number.

7879867243 is a deficient number, since it is larger than the sum of its proper divisors (1).

7879867243 is an equidigital number, since it uses as much as digits as its factorization.

7879867243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28449792, while the sum is 61.

The square root of 7879867243 is about 88768.6163179307. The cubic root of 7879867243 is about 1989.9384039418.

The spelling of 7879867243 in words is "seven billion, eight hundred seventy-nine million, eight hundred sixty-seven thousand, two hundred forty-three".