975647789878 has 8 divisors (see below), whose sum is σ = 1499166116280. Its totient is φ = 475925751120.

The previous prime is 975647789821. The next prime is 975647789891. The reversal of 975647789878 is 878987746579.

975647789878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 975647789795 and 975647789804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5949071808 + ... + 5949071971.

It is an arithmetic number, because the mean of its divisors is an integer number (187395764535).

Almost surely, 2^975647789878 is an apocalyptic number.

975647789878 is a deficient number, since it is larger than the sum of its proper divisors (523518326402).

975647789878 is a wasteful number, since it uses less digits than its factorization.

975647789878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11898143822.

The product of its digits is 11948912640, while the sum is 85.

The spelling of 975647789878 in words is "nine hundred seventy-five billion, six hundred forty-seven million, seven hundred eighty-nine thousand, eight hundred seventy-eight".