665046876 has 24 divisors (see below), whose sum is σ = 1671143824. Its totient is φ = 204629760.

The previous prime is 665046859. The next prime is 665046881. The reversal of 665046876 is 678640566.

It is a congruent number.

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, 2131405 + ... + 2131716.

Almost surely, 2^665046876 is an apocalyptic number.

It is an amenable number.

665046876 is an abundant number, since it is smaller than the sum of its proper divisors (1006096948).

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

665046876 is a wasteful number, since it uses less digits than its factorization.

665046876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263141 (or 4263139 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 665046876 is about 25788.5027870949. The cubic root of 665046876 is about 872.8723822119.

The spelling of 665046876 in words is "six hundred sixty-five million, forty-six thousand, eight hundred seventy-six".