887768885 has 4 divisors (see below), whose sum is σ = 1065322668. Its totient is φ = 710215104.

The previous prime is 887768867. The next prime is 887768897. The reversal of 887768885 is 588867788.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 510127396 + 377641489 = 22586^2 + 19433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-887768885 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 88776884 + ... + 88776893.

It is an arithmetic number, because the mean of its divisors is an integer number (266330667).

Almost surely, 2^887768885 is an apocalyptic number.

It is an amenable number.

887768885 is a deficient number, since it is larger than the sum of its proper divisors (177553783).

887768885 is a wasteful number, since it uses less digits than its factorization.

887768885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177553782.

The product of its digits is 48168960, while the sum is 65.

The square root of 887768885 is about 29795.4507433601. The cubic root of 887768885 is about 961.0957125278.

The spelling of 887768885 in words is "eight hundred eighty-seven million, seven hundred sixty-eight thousand, eight hundred eighty-five".