11864878 has 16 divisors (see below), whose sum is σ = 19453824. Its totient is φ = 5402880.

The previous prime is 11864863. The next prime is 11864893. The reversal of 11864878 is 87846811.

11864878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11864863) and next prime (11864893).

It is a super-3 number, since 3×11864878³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4575 + ... + 6682.

It is an arithmetic number, because the mean of its divisors is an integer number (1215864).

Almost surely, 2^11864878 is an apocalyptic number.

11864878 is a deficient number, since it is larger than the sum of its proper divisors (7588946).

11864878 is a wasteful number, since it uses less digits than its factorization.

11864878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11307.

The product of its digits is 86016, while the sum is 43.

The square root of 11864878 is about 3444.5432208059. The cubic root of 11864878 is about 228.0802913072.

The spelling of 11864878 in words is "eleven million, eight hundred sixty-four thousand, eight hundred seventy-eight".