78561314 has 32 divisors (see below), whose sum is σ = 134904000. Its totient is φ = 34012224.

The previous prime is 78561283. The next prime is 78561331. The reversal of 78561314 is 41316587.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53117 + ... + 54575.

It is an arithmetic number, because the mean of its divisors is an integer number (4215750).

Almost surely, 2^78561314 is an apocalyptic number.

78561314 is a deficient number, since it is larger than the sum of its proper divisors (56342686).

78561314 is a wasteful number, since it uses less digits than its factorization.

78561314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602.

The product of its digits is 20160, while the sum is 35.

The square root of 78561314 is about 8863.4820471415. The cubic root of 78561314 is about 428.2883352764.

The spelling of 78561314 in words is "seventy-eight million, five hundred sixty-one thousand, three hundred fourteen".