14277677221 has 2 divisors, whose sum is σ = 14277677222. Its totient is φ = 14277677220.

The previous prime is 14277677207. The next prime is 14277677233. The reversal of 14277677221 is 12277677241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12658500100 + 1619177121 = 112510^2 + 40239^2 .

It is a cyclic number.

It is not a de Polignac number, because 14277677221 - 2⁹ = 14277676709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14277677021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7138838610 + 7138838611.

It is an arithmetic number, because the mean of its divisors is an integer number (7138838611).

Almost surely, 2^14277677221 is an apocalyptic number.

It is an amenable number.

14277677221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14277677221 is an equidigital number, since it uses as much as digits as its factorization.

14277677221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 460992, while the sum is 46.

The spelling of 14277677221 in words is "fourteen billion, two hundred seventy-seven million, six hundred seventy-seven thousand, two hundred twenty-one".