78693014 has 4 divisors (see below), whose sum is σ = 118039524. Its totient is φ = 39346506.

The previous prime is 78693011. The next prime is 78693023. The reversal of 78693014 is 41039687.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78693011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19673252 + ... + 19673255.

It is an arithmetic number, because the mean of its divisors is an integer number (29509881).

Almost surely, 2^78693014 is an apocalyptic number.

78693014 is a deficient number, since it is larger than the sum of its proper divisors (39346510).

78693014 is a wasteful number, since it uses less digits than its factorization.

78693014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39346509.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 78693014 is about 8870.9082962231. The cubic root of 78693014 is about 428.5275288473.

The spelling of 78693014 in words is "seventy-eight million, six hundred ninety-three thousand, fourteen".