674783394899 has 8 divisors (see below), whose sum is σ = 714822506640. Its totient is φ = 635196702816.

The previous prime is 674783394871. The next prime is 674783394907. The reversal of 674783394899 is 998493387476.

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

It is a cyclic number.

It is not a de Polignac number, because 674783394899 - 2²⁰ = 674782346323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674783394199) 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, 113101844 + ... + 113107809.

It is an arithmetic number, because the mean of its divisors is an integer number (89352813330).

Almost surely, 2^674783394899 is an apocalyptic number.

674783394899 is a deficient number, since it is larger than the sum of its proper divisors (40039111741).

674783394899 is a wasteful number, since it uses less digits than its factorization.

674783394899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226209829.

The product of its digits is 1975228416, while the sum is 77.

The spelling of 674783394899 in words is "six hundred seventy-four billion, seven hundred eighty-three million, three hundred ninety-four thousand, eight hundred ninety-nine".