78873759460 has 24 divisors (see below), whose sum is σ = 165693769920. Its totient is φ = 31538289504.

The previous prime is 78873759457. The next prime is 78873759509. The reversal of 78873759460 is 6495737887.

It is a junction number, because it is equal to n+sod(n) for n = 78873759392 and 78873759401.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 643104 + ... + 755863.

It is an arithmetic number, because the mean of its divisors is an integer number (6903907080).

Almost surely, 2^78873759460 is an apocalyptic number.

It is an amenable number.

78873759460 is an abundant number, since it is smaller than the sum of its proper divisors (86820010460).

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

78873759460 is a wasteful number, since it uses less digits than its factorization.

78873759460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401795 (or 1401793 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 64.

The spelling of 78873759460 in words is "seventy-eight billion, eight hundred seventy-three million, seven hundred fifty-nine thousand, four hundred sixty".