887881263688 has 16 divisors (see below), whose sum is σ = 1664798899500. Its totient is φ = 443934890496.

The previous prime is 887881263677. The next prime is 887881263721. The reversal of 887881263688 is 886362188788.

It can be written as a sum of positive squares in 2 ways, for example, as 838356321924 + 49524941764 = 915618^2 + 222542^2 .

It is a super-2 number, since 2×887881263688² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 887881263688.

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, 20593 + ... + 1332736.

Almost surely, 2^887881263688 is an apocalyptic number.

It is an amenable number.

887881263688 is a deficient number, since it is larger than the sum of its proper divisors (776917635812).

887881263688 is a wasteful number, since it uses less digits than its factorization.

887881263688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435344 (or 1435340 counting only the distinct ones).

The product of its digits is 396361728, while the sum is 73.

The spelling of 887881263688 in words is "eight hundred eighty-seven billion, eight hundred eighty-one million, two hundred sixty-three thousand, six hundred eighty-eight".