13234777257 has 8 divisors (see below), whose sum is σ = 19003782784. Its totient is φ = 8144478288.

The previous prime is 13234777187. The next prime is 13234777267. The reversal of 13234777257 is 75277743231.

13234777257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-13234777257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13234777267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169676593 + ... + 169676670.

It is an arithmetic number, because the mean of its divisors is an integer number (2375472848).

Almost surely, 2^13234777257 is an apocalyptic number.

It is an amenable number.

13234777257 is a deficient number, since it is larger than the sum of its proper divisors (5769005527).

13234777257 is a wasteful number, since it uses less digits than its factorization.

13234777257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339353279.

The product of its digits is 1728720, while the sum is 48.

The spelling of 13234777257 in words is "thirteen billion, two hundred thirty-four million, seven hundred seventy-seven thousand, two hundred fifty-seven".