78956014 has 4 divisors (see below), whose sum is σ = 118434024. Its totient is φ = 39478006.

The previous prime is 78955993. The next prime is 78956023. The reversal of 78956014 is 41065987.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41065987 = 3319 ⋅12373.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19739002 + ... + 19739005.

It is an arithmetic number, because the mean of its divisors is an integer number (29608506).

Almost surely, 2^78956014 is an apocalyptic number.

78956014 is a deficient number, since it is larger than the sum of its proper divisors (39478010).

78956014 is a wasteful number, since it uses less digits than its factorization.

78956014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39478009.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 78956014 is about 8885.7196669713. The cubic root of 78956014 is about 429.0043920923.

The spelling of 78956014 in words is "seventy-eight million, nine hundred fifty-six thousand, fourteen".