674565111727257 has 8 divisors (see below), whose sum is σ = 904805898365376. Its totient is φ = 447017199786992.

The previous prime is 674565111727231. The next prime is 674565111727261. The reversal of 674565111727257 is 752727111565476.

674565111727257 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674565111727257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (674565111727457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673218673878 + ... + 673218674879.

It is an arithmetic number, because the mean of its divisors is an integer number (113100737295672).

Almost surely, 2^{674565111727257} is an apocalyptic number.

It is an amenable number.

674565111727257 is a deficient number, since it is larger than the sum of its proper divisors (230240786638119).

674565111727257 is a wasteful number, since it uses less digits than its factorization.

674565111727257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346437348927.

The product of its digits is 172872000, while the sum is 66.

The spelling of 674565111727257 in words is "six hundred seventy-four trillion, five hundred sixty-five billion, one hundred eleven million, seven hundred twenty-seven thousand, two hundred fifty-seven".