13888806667 has 2 divisors, whose sum is σ = 13888806668. Its totient is φ = 13888806666.

The previous prime is 13888806571. The next prime is 13888806691. The reversal of 13888806667 is 76660888831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13888806667 - 2³¹ = 11741323019 is a prime.

It is not a weakly prime, because it can be changed into another prime (13888806367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6944403333 + 6944403334.

It is an arithmetic number, because the mean of its divisors is an integer number (6944403334).

Almost surely, 2^13888806667 is an apocalyptic number.

13888806667 is a deficient number, since it is larger than the sum of its proper divisors (1).

13888806667 is an equidigital number, since it uses as much as digits as its factorization.

13888806667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18579456, while the sum is 61.

The spelling of 13888806667 in words is "thirteen billion, eight hundred eighty-eight million, eight hundred six thousand, six hundred sixty-seven".