228431776667 has 2 divisors, whose sum is σ = 228431776668. Its totient is φ = 228431776666.

The previous prime is 228431776631. The next prime is 228431776789. The reversal of 228431776667 is 766677134822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228431776667 - 2²² = 228427582363 is a prime.

It is not a weakly prime, because it can be changed into another prime (228431776607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114215888333 + 114215888334.

It is an arithmetic number, because the mean of its divisors is an integer number (114215888334).

Almost surely, 2^228431776667 is an apocalyptic number.

228431776667 is a deficient number, since it is larger than the sum of its proper divisors (1).

228431776667 is an equidigital number, since it uses as much as digits as its factorization.

228431776667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28449792, while the sum is 59.

The spelling of 228431776667 in words is "two hundred twenty-eight billion, four hundred thirty-one million, seven hundred seventy-six thousand, six hundred sixty-seven".