514485778 has 4 divisors (see below), whose sum is σ = 771728670. Its totient is φ = 257242888.

The previous prime is 514485767. The next prime is 514485779. The reversal of 514485778 is 877584415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 326055249 + 188430529 = 18057^2 + 13727^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (514485779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128621443 + ... + 128621446.

Almost surely, 2^514485778 is an apocalyptic number.

514485778 is a deficient number, since it is larger than the sum of its proper divisors (257242892).

514485778 is a wasteful number, since it uses less digits than its factorization.

514485778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257242891.

The product of its digits is 1254400, while the sum is 49.

The square root of 514485778 is about 22682.2789419406. The cubic root of 514485778 is about 801.2925864422.

The spelling of 514485778 in words is "five hundred fourteen million, four hundred eighty-five thousand, seven hundred seventy-eight".