881124865690 has 16 divisors (see below), whose sum is σ = 1586101968360. Its totient is φ = 352432788480.

The previous prime is 881124865639. The next prime is 881124865693. The reversal of 881124865690 is 96568421188.

It is a happy number.

881124865690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 712465981929 + 168658883761 = 844077^2 + 410681^2 .

It is a super-5 number, since 5×881124865690⁵ (a number of 61 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (881124865693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1927995 + ... + 2340814.

Almost surely, 2^881124865690 is an apocalyptic number.

881124865690 is a deficient number, since it is larger than the sum of its proper divisors (704977102670).

881124865690 is a wasteful number, since it uses less digits than its factorization.

881124865690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289457.

The product of its (nonzero) digits is 6635520, while the sum is 58.

The spelling of 881124865690 in words is "eight hundred eighty-one billion, one hundred twenty-four million, eight hundred sixty-five thousand, six hundred ninety".