78960437872 has 10 divisors (see below), whose sum is σ = 152985848408. Its totient is φ = 39480218928.

The previous prime is 78960437821. The next prime is 78960437873. The reversal of 78960437872 is 27873406987.

It is a self number, because there is not a number n which added to its sum of digits gives 78960437872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78960437873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2467513668 + ... + 2467513699.

Almost surely, 2^78960437872 is an apocalyptic number.

It is an amenable number.

78960437872 is a deficient number, since it is larger than the sum of its proper divisors (74025410536).

78960437872 is a wasteful number, since it uses less digits than its factorization.

78960437872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4935027375 (or 4935027369 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 61.

The spelling of 78960437872 in words is "seventy-eight billion, nine hundred sixty million, four hundred thirty-seven thousand, eight hundred seventy-two".