7942873866 has 16 divisors (see below), whose sum is σ = 16576432704. Its totient is φ = 2532510464.

The previous prime is 7942873831. The next prime is 7942873877. The reversal of 7942873866 is 6683782497.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28778391 + ... + 28778666.

It is an arithmetic number, because the mean of its divisors is an integer number (1036027044).

Almost surely, 2^7942873866 is an apocalyptic number.

7942873866 is an abundant number, since it is smaller than the sum of its proper divisors (8633558838).

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

7942873866 is a wasteful number, since it uses less digits than its factorization.

7942873866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57557085.

The product of its digits is 24385536, while the sum is 60.

The square root of 7942873866 is about 89122.8021664490. The cubic root of 7942873866 is about 1995.2281124329.

The spelling of 7942873866 in words is "seven billion, nine hundred forty-two million, eight hundred seventy-three thousand, eight hundred sixty-six".