887668938 has 24 divisors (see below), whose sum is σ = 2071228068. Its totient is φ = 273128832.

The previous prime is 887668933. The next prime is 887668949. The reversal of 887668938 is 839866788.

It can be written as a sum of positive squares in 2 ways, for example, as 867714849 + 19954089 = 29457^2 + 4467^2 .

It is a super-2 number, since 2×887668938² = 1575912286980095688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (887668933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1896495 + ... + 1896962.

Almost surely, 2^887668938 is an apocalyptic number.

887668938 is an abundant number, since it is smaller than the sum of its proper divisors (1183559130).

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

887668938 is a wasteful number, since it uses less digits than its factorization.

887668938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793478 (or 3793475 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The square root of 887668938 is about 29793.7734770203. The cubic root of 887668938 is about 961.0596437417.

The spelling of 887668938 in words is "eight hundred eighty-seven million, six hundred sixty-eight thousand, nine hundred thirty-eight".