89102885 has 4 divisors (see below), whose sum is σ = 106923468. Its totient is φ = 71282304.

The previous prime is 89102869. The next prime is 89102891. The reversal of 89102885 is 58820198.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58820198 = 2 ⋅29410099.

It can be written as a sum of positive squares in 2 ways, for example, as 60949249 + 28153636 = 7807^2 + 5306^2 .

It is a cyclic number.

It is not a de Polignac number, because 89102885 - 2⁴ = 89102869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8910284 + ... + 8910293.

It is an arithmetic number, because the mean of its divisors is an integer number (26730867).

Almost surely, 2^89102885 is an apocalyptic number.

It is an amenable number.

89102885 is a deficient number, since it is larger than the sum of its proper divisors (17820583).

89102885 is a wasteful number, since it uses less digits than its factorization.

89102885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17820582.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 89102885 is about 9439.4324511593. The cubic root of 89102885 is about 446.6464864896.

The spelling of 89102885 in words is "eighty-nine million, one hundred two thousand, eight hundred eighty-five".