889958079081 has 12 divisors (see below), whose sum is σ = 1353152635120. Its totient is φ = 562078786680.

The previous prime is 889958079053. The next prime is 889958079091. The reversal of 889958079081 is 180970859988.

It is not a de Polignac number, because 889958079081 - 2¹¹ = 889958077033 is a prime.

It is a super-2 number, since 2×889958079081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889958079041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2602216435 + ... + 2602216776.

Almost surely, 2^889958079081 is an apocalyptic number.

It is an amenable number.

889958079081 is a deficient number, since it is larger than the sum of its proper divisors (463194556039).

889958079081 is a wasteful number, since it uses less digits than its factorization.

889958079081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204433236 (or 5204433233 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 72.

The spelling of 889958079081 in words is "eight hundred eighty-nine billion, nine hundred fifty-eight million, seventy-nine thousand, eighty-one".