89886851 has 4 divisors (see below), whose sum is σ = 90279600. Its totient is φ = 89494104.

The previous prime is 89886817. The next prime is 89886857. The reversal of 89886851 is 15868898.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15868898 = 2 ⋅7934449.

It is a cyclic number.

It is not a de Polignac number, because 89886851 - 2¹⁴ = 89870467 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89886793 and 89886802.

It is not an unprimeable number, because it can be changed into a prime (89886857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196031 + ... + 196488.

It is an arithmetic number, because the mean of its divisors is an integer number (22569900).

Almost surely, 2^89886851 is an apocalyptic number.

89886851 is a deficient number, since it is larger than the sum of its proper divisors (392749).

89886851 is a wasteful number, since it uses less digits than its factorization.

89886851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392748.

The product of its digits is 1105920, while the sum is 53.

The square root of 89886851 is about 9480.8676290728. The cubic root of 89886851 is about 447.9525935036.

The spelling of 89886851 in words is "eighty-nine million, eight hundred eighty-six thousand, eight hundred fifty-one".