8442779679960 has 64 divisors (see below), whose sum is σ = 25331715705600. Its totient is φ = 2251107766656.

The previous prime is 8442779679869. The next prime is 8442779679977. The reversal of 8442779679960 is 699769772448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3785220 + ... + 5586899.

It is an arithmetic number, because the mean of its divisors is an integer number (395808057900).

Almost surely, 2^{8442779679960} is an apocalyptic number.

It is an amenable number.

8442779679960 is an abundant number, since it is smaller than the sum of its proper divisors (16888936025640).

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

8442779679960 is a wasteful number, since it uses less digits than its factorization.

8442779679960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9379640 (or 9379636 counting only the distinct ones).

The product of its (nonzero) digits is 2304433152, while the sum is 78.

The spelling of 8442779679960 in words is "eight trillion, four hundred forty-two billion, seven hundred seventy-nine million, six hundred seventy-nine thousand, nine hundred sixty".