22757842979 has 2 divisors, whose sum is σ = 22757842980. Its totient is φ = 22757842978.

The previous prime is 22757842883. The next prime is 22757842993. The reversal of 22757842979 is 97924875722.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22757842979 is a prime.

It is not a weakly prime, because it can be changed into another prime (22757842379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11378921489 + 11378921490.

It is an arithmetic number, because the mean of its divisors is an integer number (11378921490).

Almost surely, 2^22757842979 is an apocalyptic number.

22757842979 is a deficient number, since it is larger than the sum of its proper divisors (1).

22757842979 is an equidigital number, since it uses as much as digits as its factorization.

22757842979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35562240, while the sum is 62.

The spelling of 22757842979 in words is "twenty-two billion, seven hundred fifty-seven million, eight hundred forty-two thousand, nine hundred seventy-nine".