316997788 has 12 divisors (see below), whose sum is σ = 555256800. Its totient is φ = 158352992.

The previous prime is 316997783. The next prime is 316997801. The reversal of 316997788 is 887799613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316997783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31513 + ... + 40336.

It is an arithmetic number, because the mean of its divisors is an integer number (46271400).

Almost surely, 2^316997788 is an apocalyptic number.

It is an amenable number.

316997788 is a deficient number, since it is larger than the sum of its proper divisors (238259012).

316997788 is a wasteful number, since it uses less digits than its factorization.

316997788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72956 (or 72954 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 58.

The square root of 316997788 is about 17804.4316955077. The cubic root of 316997788 is about 681.8446081760.

The spelling of 316997788 in words is "three hundred sixteen million, nine hundred ninety-seven thousand, seven hundred eighty-eight".