89877 has 4 divisors (see below), whose sum is σ = 119840. Its totient is φ = 59916.

The previous prime is 89867. The next prime is 89891. The reversal of 89877 is 77898.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 89877 - 2¹⁰ = 88853 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 89877.

It is not an unprimeable number, because it can be changed into a prime (89867) 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, 14977 + ... + 14982.

It is an arithmetic number, because the mean of its divisors is an integer number (29960).

2⁸⁹⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

89877 is a deficient number, since it is larger than the sum of its proper divisors (29963).

89877 is a wasteful number, since it uses less digits than its factorization.

89877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29962.

The product of its digits is 28224, while the sum is 39.

The square root of 89877 is about 299.7949299104. The cubic root of 89877 is about 44.7936228699.

The spelling of 89877 in words is "eighty-nine thousand, eight hundred seventy-seven".