11277888 has 56 divisors (see below), whose sum is σ = 30114240. Its totient is φ = 3724800.

The previous prime is 11277883. The next prime is 11277943. The reversal of 11277888 is 88877211.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11277881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28798 + ... + 29186.

Almost surely, 2^11277888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11277888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15057120).

11277888 is an abundant number, since it is smaller than the sum of its proper divisors (18836352).

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

11277888 is a wasteful number, since it uses less digits than its factorization.

11277888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 545 counting only the distinct ones).

The product of its digits is 50176, while the sum is 42.

The square root of 11277888 is about 3358.2566906060. The cubic root of 11277888 is about 224.2552362721.

The spelling of 11277888 in words is "eleven million, two hundred seventy-seven thousand, eight hundred eighty-eight".