313727780 has 24 divisors (see below), whose sum is σ = 669997440. Its totient is φ = 123363680.

The previous prime is 313727767. The next prime is 313727801. The reversal of 313727780 is 87727313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131756 + ... + 134115.

It is an arithmetic number, because the mean of its divisors is an integer number (27916560).

Almost surely, 2^313727780 is an apocalyptic number.

It is an amenable number.

313727780 is an abundant number, since it is smaller than the sum of its proper divisors (356269660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313727780 is a wasteful number, since it uses less digits than its factorization.

313727780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265939 (or 265937 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 313727780 is about 17712.3623495004. The cubic root of 313727780 is about 679.4919648267.

The spelling of 313727780 in words is "three hundred thirteen million, seven hundred twenty-seven thousand, seven hundred eighty".