87106879 has 4 divisors (see below), whose sum is σ = 87130584. Its totient is φ = 87083176.

The previous prime is 87106871. The next prime is 87106889. The reversal of 87106879 is 97860178.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87106879 - 2³ = 87106871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87106871) 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, 5032 + ... + 14125.

It is an arithmetic number, because the mean of its divisors is an integer number (21782646).

Almost surely, 2^87106879 is an apocalyptic number.

87106879 is a deficient number, since it is larger than the sum of its proper divisors (23705).

87106879 is a wasteful number, since it uses less digits than its factorization.

87106879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23704.

The product of its (nonzero) digits is 169344, while the sum is 46.

The square root of 87106879 is about 9333.1066103415. The cubic root of 87106879 is about 443.2861384676.

The spelling of 87106879 in words is "eighty-seven million, one hundred six thousand, eight hundred seventy-nine".