42788079816 has 16 divisors (see below), whose sum is σ = 106970199600. Its totient is φ = 14262693264.

The previous prime is 42788079799. The next prime is 42788079821. The reversal of 42788079816 is 61897088724.

42788079816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42788079816.

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, 891418306 + ... + 891418353.

It is an arithmetic number, because the mean of its divisors is an integer number (6685637475).

Almost surely, 2^42788079816 is an apocalyptic number.

It is an amenable number.

42788079816 is an abundant number, since it is smaller than the sum of its proper divisors (64182119784).

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

42788079816 is a wasteful number, since it uses less digits than its factorization.

42788079816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782836668 (or 1782836664 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 60.

The spelling of 42788079816 in words is "forty-two billion, seven hundred eighty-eight million, seventy-nine thousand, eight hundred sixteen".