78563314 has 4 divisors (see below), whose sum is σ = 117844974. Its totient is φ = 39281656.

The previous prime is 78563311. The next prime is 78563351. The reversal of 78563314 is 41336587.

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., 76860289 + 1703025 = 8767^2 + 1305^2 .

It is not an unprimeable number, because it can be changed into a prime (78563311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19640827 + ... + 19640830.

Almost surely, 2^78563314 is an apocalyptic number.

78563314 is a deficient number, since it is larger than the sum of its proper divisors (39281660).

78563314 is a wasteful number, since it uses less digits than its factorization.

78563314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39281659.

The product of its digits is 60480, while the sum is 37.

The square root of 78563314 is about 8863.5948689005. The cubic root of 78563314 is about 428.2919696751.

The spelling of 78563314 in words is "seventy-eight million, five hundred sixty-three thousand, three hundred fourteen".