78888976368 has 20 divisors (see below), whose sum is σ = 203796522408. Its totient is φ = 26296325440.

The previous prime is 78888976367. The next prime is 78888976379. The reversal of 78888976368 is 86367988887.

It is a junction number, because it is equal to n+sod(n) for n = 78888976293 and 78888976302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78888976367) 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, 821760123 + ... + 821760218.

Almost surely, 2^78888976368 is an apocalyptic number.

It is an amenable number.

78888976368 is an abundant number, since it is smaller than the sum of its proper divisors (124907546040).

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

78888976368 is a wasteful number, since it uses less digits than its factorization.

78888976368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643520352 (or 1643520346 counting only the distinct ones).

The product of its digits is 1560674304, while the sum is 78.

The spelling of 78888976368 in words is "seventy-eight billion, eight hundred eighty-eight million, nine hundred seventy-six thousand, three hundred sixty-eight".