89887611 has 16 divisors (see below), whose sum is σ = 136431360. Its totient is φ = 52108320.

The previous prime is 89887607. The next prime is 89887643. The reversal of 89887611 is 11678898.

It is not a de Polignac number, because 89887611 - 2² = 89887607 is a prime.

It is a super-2 number, since 2×89887611² = 16159565222574642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89887111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58456 + ... + 59973.

It is an arithmetic number, because the mean of its divisors is an integer number (8526960).

Almost surely, 2^89887611 is an apocalyptic number.

89887611 is a deficient number, since it is larger than the sum of its proper divisors (46543749).

89887611 is a wasteful number, since it uses less digits than its factorization.

89887611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118466.

The product of its digits is 193536, while the sum is 48.

The square root of 89887611 is about 9480.9077097080. The cubic root of 89887611 is about 447.9538559908.

The spelling of 89887611 in words is "eighty-nine million, eight hundred eighty-seven thousand, six hundred eleven".