887666679 has 72 divisors (see below), whose sum is σ = 1432928640. Its totient is φ = 528768000.

The previous prime is 887666671. The next prime is 887666699. The reversal of 887666679 is 976666788.

It is not a de Polignac number, because 887666679 - 2³ = 887666671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887666671) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8143677 + ... + 8143785.

Almost surely, 2^887666679 is an apocalyptic number.

887666679 is a deficient number, since it is larger than the sum of its proper divisors (545261961).

887666679 is a wasteful number, since it uses less digits than its factorization.

887666679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 261 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 63.

The square root of 887666679 is about 29793.7355663905. The cubic root of 887666679 is about 961.0588284844.

The spelling of 887666679 in words is "eight hundred eighty-seven million, six hundred sixty-six thousand, six hundred seventy-nine".