879955 has 4 divisors (see below), whose sum is σ = 1055952. Its totient is φ = 703960.

The previous prime is 879953. The next prime is 879961. The reversal of 879955 is 559978.

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

It is not a de Polignac number, because 879955 - 2¹ = 879953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (879953) 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, 87991 + ... + 88000.

It is an arithmetic number, because the mean of its divisors is an integer number (263988).

2⁸⁷⁹⁹⁵⁵ is an apocalyptic number.

879955 is a deficient number, since it is larger than the sum of its proper divisors (175997).

879955 is a wasteful number, since it uses less digits than its factorization.

879955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175996.

The product of its digits is 113400, while the sum is 43.

The square root of 879955 is about 938.0591665775. The cubic root of 879955 is about 95.8267636748.

The spelling of 879955 in words is "eight hundred seventy-nine thousand, nine hundred fifty-five".