11878955 has 8 divisors (see below), whose sum is σ = 15550704. Its totient is φ = 8639200.

The previous prime is 11878927. The next prime is 11878963. The reversal of 11878955 is 55987811.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11878955 - 2⁶ = 11878891 is a prime.

It is a super-2 number, since 2×11878955² = 282219143784050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107936 + ... + 108045.

It is an arithmetic number, because the mean of its divisors is an integer number (1943838).

Almost surely, 2^11878955 is an apocalyptic number.

11878955 is a deficient number, since it is larger than the sum of its proper divisors (3671749).

11878955 is a wasteful number, since it uses less digits than its factorization.

11878955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215997.

The product of its digits is 100800, while the sum is 44.

The square root of 11878955 is about 3446.5859919636. The cubic root of 11878955 is about 228.1704570702.

The spelling of 11878955 in words is "eleven million, eight hundred seventy-eight thousand, nine hundred fifty-five".