78834368 has 14 divisors (see below), whose sum is σ = 156437076. Its totient is φ = 39417152.

The previous prime is 78834367. The next prime is 78834421. The reversal of 78834368 is 86343887.

It is not an unprimeable number, because it can be changed into a prime (78834367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615830 + ... + 615957.

Almost surely, 2^78834368 is an apocalyptic number.

It is an amenable number.

78834368 is a deficient number, since it is larger than the sum of its proper divisors (77602708).

78834368 is a wasteful number, since it uses less digits than its factorization.

78834368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231799 (or 1231789 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 78834368 is about 8878.8720004289. The cubic root of 78834368 is about 428.7839592648.

The spelling of 78834368 in words is "seventy-eight million, eight hundred thirty-four thousand, three hundred sixty-eight".