314478765 has 12 divisors (see below), whose sum is σ = 545096604. Its totient is φ = 167721984.

The previous prime is 314478761. The next prime is 314478779. The reversal of 314478765 is 567874413.

It can be written as a sum of positive squares in 2 ways, for example, as 218477961 + 96000804 = 14781^2 + 9798^2 .

It is not a de Polignac number, because 314478765 - 2² = 314478761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 6988417 = 314478765 / (3 + 1 + 4 + 4 + 7 + 8 + 7 + 6 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 314478765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314478761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3494164 + ... + 3494253.

It is an arithmetic number, because the mean of its divisors is an integer number (45424717).

Almost surely, 2^314478765 is an apocalyptic number.

It is an amenable number.

314478765 is a deficient number, since it is larger than the sum of its proper divisors (230617839).

314478765 is a wasteful number, since it uses less digits than its factorization.

314478765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6988428 (or 6988425 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 314478765 is about 17733.5491371581. The cubic root of 314478765 is about 680.0337101224.

The spelling of 314478765 in words is "three hundred fourteen million, four hundred seventy-eight thousand, seven hundred sixty-five".