7869222479 has 2 divisors, whose sum is σ = 7869222480. Its totient is φ = 7869222478.

The previous prime is 7869222421. The next prime is 7869222503. The reversal of 7869222479 is 9742229687.

It is a strong prime.

It is an emirp because it is prime and its reverse (9742229687) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7869222479 - 2¹⁶ = 7869156943 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7869222379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3934611239 + 3934611240.

It is an arithmetic number, because the mean of its divisors is an integer number (3934611240).

Almost surely, 2^7869222479 is an apocalyptic number.

7869222479 is a deficient number, since it is larger than the sum of its proper divisors (1).

7869222479 is an equidigital number, since it uses as much as digits as its factorization.

7869222479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 56.

The square root of 7869222479 is about 88708.6381306804. The cubic root of 7869222479 is about 1989.0419434005.

The spelling of 7869222479 in words is "seven billion, eight hundred sixty-nine million, two hundred twenty-two thousand, four hundred seventy-nine".