8891012101988 has 24 divisors (see below), whose sum is σ = 15825754205184. Its totient is φ = 4369655901600.

The previous prime is 8891012101927. The next prime is 8891012101997.

8891012101988 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×8891012101988² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35858468 + ... + 36105563.

It is an arithmetic number, because the mean of its divisors is an integer number (659406425216).

Almost surely, 2^{8891012101988} is an apocalyptic number.

It is an amenable number.

8891012101988 is a deficient number, since it is larger than the sum of its proper divisors (6934742103196).

8891012101988 is a wasteful number, since it uses less digits than its factorization.

8891012101988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71964563 (or 71964561 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 56.

The spelling of 8891012101988 in words is "eight trillion, eight hundred ninety-one billion, twelve million, one hundred one thousand, nine hundred eighty-eight".