314681777 has 2 divisors, whose sum is σ = 314681778. Its totient is φ = 314681776.

The previous prime is 314681771. The next prime is 314681863. The reversal of 314681777 is 777186413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200533921 + 114147856 = 14161^2 + 10684^2 .

It is an emirp because it is prime and its reverse (777186413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 314681777 - 2²⁴ = 297904561 is a prime.

It is a super-3 number, since 3×314681777³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (314681771) by changing a digit.

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 as a sum of consecutive naturals, namely, 157340888 + 157340889.

It is an arithmetic number, because the mean of its divisors is an integer number (157340889).

Almost surely, 2^314681777 is an apocalyptic number.

It is an amenable number.

314681777 is a deficient number, since it is larger than the sum of its proper divisors (1).

314681777 is an equidigital number, since it uses as much as digits as its factorization.

314681777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 44.

The square root of 314681777 is about 17739.2721665800. The cubic root of 314681777 is about 680.1800107341.

The spelling of 314681777 in words is "three hundred fourteen million, six hundred eighty-one thousand, seven hundred seventy-seven".