234677256647 has 2 divisors, whose sum is σ = 234677256648. Its totient is φ = 234677256646.

The previous prime is 234677256643. The next prime is 234677256677. The reversal of 234677256647 is 746652776432.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234677256647 - 2² = 234677256643 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234677256643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117338628323 + 117338628324.

It is an arithmetic number, because the mean of its divisors is an integer number (117338628324).

Almost surely, 2^234677256647 is an apocalyptic number.

234677256647 is a deficient number, since it is larger than the sum of its proper divisors (1).

234677256647 is an equidigital number, since it uses as much as digits as its factorization.

234677256647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71124480, while the sum is 59.

The spelling of 234677256647 in words is "two hundred thirty-four billion, six hundred seventy-seven million, two hundred fifty-six thousand, six hundred forty-seven".