11663877 has 4 divisors (see below), whose sum is σ = 15551840. Its totient is φ = 7775916.

The previous prime is 11663863. The next prime is 11663893. The reversal of 11663877 is 77836611.

11663877 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11663877 - 2¹⁰ = 11662853 is a prime.

It is a super-2 number, since 2×11663877² = 272092053342258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11663837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1943977 + ... + 1943982.

It is an arithmetic number, because the mean of its divisors is an integer number (3887960).

Almost surely, 2^11663877 is an apocalyptic number.

It is an amenable number.

11663877 is a deficient number, since it is larger than the sum of its proper divisors (3887963).

11663877 is an equidigital number, since it uses as much as digits as its factorization.

11663877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887962.

The product of its digits is 42336, while the sum is 39.

The square root of 11663877 is about 3415.2418655199. The cubic root of 11663877 is about 226.7849918060.

The spelling of 11663877 in words is "eleven million, six hundred sixty-three thousand, eight hundred seventy-seven".