318742045777 has 8 divisors (see below), whose sum is σ = 322648424000. Its totient is φ = 314858714544.

The previous prime is 318742045771. The next prime is 318742045861. The reversal of 318742045777 is 777540247813.

It is a happy number.

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-318742045777 is a prime.

It is a super-2 number, since 2×318742045777² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (318742045771) 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, 5733918 + ... + 5789239.

It is an arithmetic number, because the mean of its divisors is an integer number (40331053000).

Almost surely, 2^318742045777 is an apocalyptic number.

It is an amenable number.

318742045777 is a deficient number, since it is larger than the sum of its proper divisors (3906378223).

318742045777 is a wasteful number, since it uses less digits than its factorization.

318742045777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11523495.

The product of its (nonzero) digits is 9219840, while the sum is 55.

The spelling of 318742045777 in words is "three hundred eighteen billion, seven hundred forty-two million, forty-five thousand, seven hundred seventy-seven".