100878 has 32 divisors (see below), whose sum is σ = 228096. Its totient is φ = 29568.

The previous prime is 100853. The next prime is 100907. The reversal of 100878 is 878001.

It is a Curzon number.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2325 + ... + 2367.

It is an arithmetic number, because the mean of its divisors is an integer number (7128).

2¹⁰⁰⁸⁷⁸ is an apocalyptic number.

100878 is an abundant number, since it is smaller than the sum of its proper divisors (127218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100878 is a wasteful number, since it uses less digits than its factorization.

100878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 100878 is about 317.6129720273. The cubic root of 100878 is about 46.5513365277.

Adding to 100878 its reverse (878001), we get a palindrome (978879).

The spelling of 100878 in words is "one hundred thousand, eight hundred seventy-eight".