7882804866 has 16 divisors (see below), whose sum is σ = 15768808704. Its totient is φ = 2627068464.

The previous prime is 7882804859. The next prime is 7882804877. The reversal of 7882804866 is 6684082887.

It is a happy number.

It is a super-2 number, since 2×7882804866² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100641 + ... + 160916.

It is an arithmetic number, because the mean of its divisors is an integer number (985550544).

Almost surely, 2^7882804866 is an apocalyptic number.

7882804866 is an abundant number, since it is smaller than the sum of its proper divisors (7886003838).

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

7882804866 is a wasteful number, since it uses less digits than its factorization.

7882804866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266585.

The product of its (nonzero) digits is 8257536, while the sum is 57.

The square root of 7882804866 is about 88785.1612939910. The cubic root of 7882804866 is about 1990.1856569461.

The spelling of 7882804866 in words is "seven billion, eight hundred eighty-two million, eight hundred four thousand, eight hundred sixty-six".