89155105 has 12 divisors (see below), whose sum is σ = 115849980. Its totient is φ = 65836992.

The previous prime is 89155103. The next prime is 89155111. The reversal of 89155105 is 50155198.

It can be written as a sum of positive squares in 6 ways, for example, as 11785489 + 77369616 = 3433^2 + 8796^2 .

It is not a de Polignac number, because 89155105 - 2¹ = 89155103 is a prime.

It is a super-3 number, since 3×89155105³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (89155103) 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, 51910 + ... + 53599.

It is an arithmetic number, because the mean of its divisors is an integer number (9654165).

Almost surely, 2^89155105 is an apocalyptic number.

It is an amenable number.

89155105 is a deficient number, since it is larger than the sum of its proper divisors (26694875).

89155105 is a wasteful number, since it uses less digits than its factorization.

89155105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105540 (or 105527 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 34.

The square root of 89155105 is about 9442.1981021370. The cubic root of 89155105 is about 446.7337239364.

The spelling of 89155105 in words is "eighty-nine million, one hundred fifty-five thousand, one hundred five".