22477965779 has 2 divisors, whose sum is σ = 22477965780. Its totient is φ = 22477965778.

The previous prime is 22477965767. The next prime is 22477965833. The reversal of 22477965779 is 97756977422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22477965779 - 2¹⁶ = 22477900243 is a prime.

It is not a weakly prime, because it can be changed into another prime (22477965749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11238982889 + 11238982890.

It is an arithmetic number, because the mean of its divisors is an integer number (11238982890).

Almost surely, 2^22477965779 is an apocalyptic number.

22477965779 is a deficient number, since it is larger than the sum of its proper divisors (1).

22477965779 is an equidigital number, since it uses as much as digits as its factorization.

22477965779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93350880, while the sum is 65.

The spelling of 22477965779 in words is "twenty-two billion, four hundred seventy-seven million, nine hundred sixty-five thousand, seven hundred seventy-nine".