78914093 has 4 divisors (see below), whose sum is σ = 80251680. Its totient is φ = 77576508.

The previous prime is 78914039. The next prime is 78914131. The reversal of 78914093 is 39041987.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 78914093 - 2⁸ = 78913837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78914093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78914293) 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 in 3 ways as a sum of consecutive naturals, for example, 668705 + ... + 668822.

It is an arithmetic number, because the mean of its divisors is an integer number (20062920).

Almost surely, 2^78914093 is an apocalyptic number.

It is an amenable number.

78914093 is a deficient number, since it is larger than the sum of its proper divisors (1337587).

78914093 is a wasteful number, since it uses less digits than its factorization.

78914093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337586.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 78914093 is about 8883.3604564939. The cubic root of 78914093 is about 428.9284532836.

The spelling of 78914093 in words is "seventy-eight million, nine hundred fourteen thousand, ninety-three".