78983486875 has 30 divisors (see below), whose sum is σ = 103932684020. Its totient is φ = 59837958000.

The previous prime is 78983486873. The next prime is 78983486893. The reversal of 78983486875 is 57868438987.

It is not a de Polignac number, because 78983486875 - 2¹ = 78983486873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78983486798 and 78983486807.

It is not an unprimeable number, because it can be changed into a prime (78983486873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 30624336 + ... + 30626914.

Almost surely, 2^78983486875 is an apocalyptic number.

78983486875 is a deficient number, since it is larger than the sum of its proper divisors (24949197145).

78983486875 is an frugal number, since it uses more digits than its factorization.

78983486875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197 (or 2603 counting only the distinct ones).

The product of its digits is 650280960, while the sum is 73.

The spelling of 78983486875 in words is "seventy-eight billion, nine hundred eighty-three million, four hundred eighty-six thousand, eight hundred seventy-five".