22786667987 has 2 divisors, whose sum is σ = 22786667988. Its totient is φ = 22786667986.

The previous prime is 22786667983. The next prime is 22786667999. The reversal of 22786667987 is 78976668722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22786667987 - 2² = 22786667983 is a prime.

It is not a weakly prime, because it can be changed into another prime (22786667983) 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, 11393333993 + 11393333994.

It is an arithmetic number, because the mean of its divisors is an integer number (11393333994).

Almost surely, 2^22786667987 is an apocalyptic number.

22786667987 is a deficient number, since it is larger than the sum of its proper divisors (1).

22786667987 is an equidigital number, since it uses as much as digits as its factorization.

22786667987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170698752, while the sum is 68.

The spelling of 22786667987 in words is "twenty-two billion, seven hundred eighty-six million, six hundred sixty-seven thousand, nine hundred eighty-seven".