11889777 has 8 divisors (see below), whose sum is σ = 16031520. Its totient is φ = 7837280.

The previous prime is 11889751. The next prime is 11889791. The reversal of 11889777 is 77798811.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11889777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11889707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21999 + ... + 22532.

It is an arithmetic number, because the mean of its divisors is an integer number (2003940).

Almost surely, 2^11889777 is an apocalyptic number.

It is an amenable number.

11889777 is a deficient number, since it is larger than the sum of its proper divisors (4141743).

11889777 is an equidigital number, since it uses as much as digits as its factorization.

11889777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44623.

The product of its digits is 197568, while the sum is 48.

The square root of 11889777 is about 3448.1555939371. The cubic root of 11889777 is about 228.2397255430.

The spelling of 11889777 in words is "eleven million, eight hundred eighty-nine thousand, seven hundred seventy-seven".