234261131977 has 2 divisors, whose sum is σ = 234261131978. Its totient is φ = 234261131976.

The previous prime is 234261131963. The next prime is 234261131983. The reversal of 234261131977 is 779131162432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228741236361 + 5519895616 = 478269^2 + 74296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234261131977 is a prime.

It is not a weakly prime, because it can be changed into another prime (234261131927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117130565988 + 117130565989.

It is an arithmetic number, because the mean of its divisors is an integer number (117130565989).

Almost surely, 2^234261131977 is an apocalyptic number.

It is an amenable number.

234261131977 is a deficient number, since it is larger than the sum of its proper divisors (1).

234261131977 is an equidigital number, since it uses as much as digits as its factorization.

234261131977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 46.

The spelling of 234261131977 in words is "two hundred thirty-four billion, two hundred sixty-one million, one hundred thirty-one thousand, nine hundred seventy-seven".