674164768837 has 4 divisors (see below), whose sum is σ = 770474021536. Its totient is φ = 577855516140.

The previous prime is 674164768831. The next prime is 674164768867. The reversal of 674164768837 is 738867461476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-674164768837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674164768831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48154626339 + ... + 48154626352.

It is an arithmetic number, because the mean of its divisors is an integer number (192618505384).

Almost surely, 2^674164768837 is an apocalyptic number.

It is an amenable number.

674164768837 is a deficient number, since it is larger than the sum of its proper divisors (96309252699).

674164768837 is an equidigital number, since it uses as much as digits as its factorization.

674164768837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96309252698.

The product of its digits is 227598336, while the sum is 67.

The spelling of 674164768837 in words is "six hundred seventy-four billion, one hundred sixty-four million, seven hundred sixty-eight thousand, eight hundred thirty-seven".