314778547 has 2 divisors, whose sum is σ = 314778548. Its totient is φ = 314778546.

The previous prime is 314778463. The next prime is 314778551. The reversal of 314778547 is 745877413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 314778547 - 2¹⁵ = 314745779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 314778497 and 314778506.

It is not a weakly prime, because it can be changed into another prime (314778577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157389273 + 157389274.

It is an arithmetic number, because the mean of its divisors is an integer number (157389274).

Almost surely, 2^314778547 is an apocalyptic number.

314778547 is a deficient number, since it is larger than the sum of its proper divisors (1).

314778547 is an equidigital number, since it uses as much as digits as its factorization.

314778547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 658560, while the sum is 46.

The square root of 314778547 is about 17741.9995209108. Note that the first 3 decimals coincide. The cubic root of 314778547 is about 680.2497258967.

The spelling of 314778547 in words is "three hundred fourteen million, seven hundred seventy-eight thousand, five hundred forty-seven".