78683834748 has 12 divisors (see below), whose sum is σ = 183595614440. Its totient is φ = 26227944912.

The previous prime is 78683834741. The next prime is 78683834783. The reversal of 78683834748 is 84743838687.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×78683834748² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78683834741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3278493103 + ... + 3278493126.

Almost surely, 2^78683834748 is an apocalyptic number.

It is an amenable number.

78683834748 is an abundant number, since it is smaller than the sum of its proper divisors (104911779692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78683834748 is a wasteful number, since it uses less digits than its factorization.

78683834748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6556986236 (or 6556986234 counting only the distinct ones).

The product of its digits is 173408256, while the sum is 66.

The spelling of 78683834748 in words is "seventy-eight billion, six hundred eighty-three million, eight hundred thirty-four thousand, seven hundred forty-eight".