78531314 has 8 divisors (see below), whose sum is σ = 118407900. Its totient is φ = 39062016.

The previous prime is 78531289. The next prime is 78531367. The reversal of 78531314 is 41313587.

It can be written as a sum of positive squares in 2 ways, for example, as 71149225 + 7382089 = 8435^2 + 2717^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101339 + ... + 102110.

Almost surely, 2^78531314 is an apocalyptic number.

78531314 is a deficient number, since it is larger than the sum of its proper divisors (39876586).

78531314 is a wasteful number, since it uses less digits than its factorization.

78531314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203644.

The product of its digits is 10080, while the sum is 32.

The square root of 78531314 is about 8861.7895483926. The cubic root of 78531314 is about 428.2338118931.

The spelling of 78531314 in words is "seventy-eight million, five hundred thirty-one thousand, three hundred fourteen".