78926768 has 20 divisors (see below), whose sum is σ = 153111480. Its totient is φ = 39414144.

The previous prime is 78926761. The next prime is 78926789. The reversal of 78926768 is 86762987.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (78926761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12548 + ... + 17756.

It is an arithmetic number, because the mean of its divisors is an integer number (7655574).

Almost surely, 2^78926768 is an apocalyptic number.

It is an amenable number.

78926768 is a deficient number, since it is larger than the sum of its proper divisors (74184712).

78926768 is a wasteful number, since it uses less digits than its factorization.

78926768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164 (or 6158 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 53.

The square root of 78926768 is about 8884.0738403055. The cubic root of 78926768 is about 428.9514165545.

The spelling of 78926768 in words is "seventy-eight million, nine hundred twenty-six thousand, seven hundred sixty-eight".