234257936687 has 2 divisors, whose sum is σ = 234257936688. Its totient is φ = 234257936686.

The previous prime is 234257936669. The next prime is 234257936701. The reversal of 234257936687 is 786639752432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234257936687 - 2⁸ = 234257936431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234257936987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117128968343 + 117128968344.

It is an arithmetic number, because the mean of its divisors is an integer number (117128968344).

Almost surely, 2^234257936687 is an apocalyptic number.

234257936687 is a deficient number, since it is larger than the sum of its proper divisors (1).

234257936687 is an equidigital number, since it uses as much as digits as its factorization.

234257936687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91445760, while the sum is 62.

The spelling of 234257936687 in words is "two hundred thirty-four billion, two hundred fifty-seven million, nine hundred thirty-six thousand, six hundred eighty-seven".