42779976718 has 24 divisors (see below), whose sum is σ = 67687409160. Its totient is φ = 20222233200.

The previous prime is 42779976713. The next prime is 42779976721. The reversal of 42779976718 is 81767997724.

42779976718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42779976713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36532273 + ... + 36533443.

It is an arithmetic number, because the mean of its divisors is an integer number (2820308715).

Almost surely, 2^42779976718 is an apocalyptic number.

42779976718 is a deficient number, since it is larger than the sum of its proper divisors (24907432442).

42779976718 is an equidigital number, since it uses as much as digits as its factorization.

42779976718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3184 (or 2013 counting only the distinct ones).

The product of its digits is 74680704, while the sum is 67.

The spelling of 42779976718 in words is "forty-two billion, seven hundred seventy-nine million, nine hundred seventy-six thousand, seven hundred eighteen".