11377880 has 16 divisors (see below), whose sum is σ = 25600320. Its totient is φ = 4551136.

The previous prime is 11377871. The next prime is 11377937. The reversal of 11377880 is 8877311.

It is a self number, because there is not a number n which added to its sum of digits gives 11377880.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 142184 + ... + 142263.

It is an arithmetic number, because the mean of its divisors is an integer number (1600020).

Almost surely, 2^11377880 is an apocalyptic number.

11377880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11377880 is an abundant number, since it is smaller than the sum of its proper divisors (14222440).

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

11377880 is a wasteful number, since it uses less digits than its factorization.

11377880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284458 (or 284454 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 11377880 is about 3373.1113233927. Note that the first 3 decimals coincide. The cubic root of 11377880 is about 224.9160509865.

The spelling of 11377880 in words is "eleven million, three hundred seventy-seven thousand, eight hundred eighty".