674539928117 has 32 divisors (see below), whose sum is σ = 786710392704. Its totient is φ = 571570585600.

The previous prime is 674539928099. The next prime is 674539928189. The reversal of 674539928117 is 711829935476.

It is a cyclic number.

It is not a de Polignac number, because 674539928117 - 2¹² = 674539924021 is a prime.

It is a super-2 number, since 2×674539928117² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 674539928117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674539928017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8273642 + ... + 8354772.

It is an arithmetic number, because the mean of its divisors is an integer number (24584699772).

Almost surely, 2^674539928117 is an apocalyptic number.

It is an amenable number.

674539928117 is a deficient number, since it is larger than the sum of its proper divisors (112170464587).

674539928117 is a wasteful number, since it uses less digits than its factorization.

674539928117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81589.

The product of its digits is 22861440, while the sum is 62.

The spelling of 674539928117 in words is "six hundred seventy-four billion, five hundred thirty-nine million, nine hundred twenty-eight thousand, one hundred seventeen".