78044679 has 6 divisors (see below), whose sum is σ = 112731216. Its totient is φ = 52029780.

The previous prime is 78044663. The next prime is 78044719. The reversal of 78044679 is 97644087.

It is not a de Polignac number, because 78044679 - 2⁴ = 78044663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78044479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4335807 + ... + 4335824.

It is an arithmetic number, because the mean of its divisors is an integer number (18788536).

Almost surely, 2^78044679 is an apocalyptic number.

78044679 is a deficient number, since it is larger than the sum of its proper divisors (34686537).

78044679 is a wasteful number, since it uses less digits than its factorization.

78044679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8671637 (or 8671634 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 78044679 is about 8834.2899544898. The cubic root of 78044679 is about 427.3474329901.

The spelling of 78044679 in words is "seventy-eight million, forty-four thousand, six hundred seventy-nine".