828038889681 has 8 divisors (see below), whose sum is σ = 1124883020160. Its totient is φ = 541610342832.

The previous prime is 828038889653. The next prime is 828038889701. The reversal of 828038889681 is 186988830828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 828038889681 - 2¹⁴ = 828038873297 is a prime.

It is a super-2 number, since 2×828038889681² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (828038889631) 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, 2603895721 + ... + 2603896038.

It is an arithmetic number, because the mean of its divisors is an integer number (140610377520).

Almost surely, 2^828038889681 is an apocalyptic number.

It is an amenable number.

828038889681 is a deficient number, since it is larger than the sum of its proper divisors (296844130479).

828038889681 is a wasteful number, since it uses less digits than its factorization.

828038889681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5207791815.

The product of its (nonzero) digits is 84934656, while the sum is 69.

The spelling of 828038889681 in words is "eight hundred twenty-eight billion, thirty-eight million, eight hundred eighty-nine thousand, six hundred eighty-one".