89911112 has 8 divisors (see below), whose sum is σ = 168583350. Its totient is φ = 44955552.

The previous prime is 89911111. The next prime is 89911121. The reversal of 89911112 is 21111998.

It can be written as a sum of positive squares in only one way, i.e., 68989636 + 20921476 = 8306^2 + 4574^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×89911112² = 16168016122153088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89911111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5619437 + ... + 5619452.

Almost surely, 2^89911112 is an apocalyptic number.

It is an amenable number.

89911112 is a deficient number, since it is larger than the sum of its proper divisors (78672238).

89911112 is a wasteful number, since it uses less digits than its factorization.

89911112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11238895 (or 11238891 counting only the distinct ones).

The product of its digits is 1296, while the sum is 32.

The square root of 89911112 is about 9482.1470142579. The cubic root of 89911112 is about 447.9928915751.

The spelling of 89911112 in words is "eighty-nine million, nine hundred eleven thousand, one hundred twelve".