11890077 has 4 divisors (see below), whose sum is σ = 15853440. Its totient is φ = 7926716.

The previous prime is 11890049. The next prime is 11890079. The reversal of 11890077 is 77009811.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77009811 = 3 ⋅25669937.

It is a cyclic number.

It is not a de Polignac number, because 11890077 - 2⁷ = 11889949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11890079) 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, 1981677 + ... + 1981682.

It is an arithmetic number, because the mean of its divisors is an integer number (3963360).

Almost surely, 2^11890077 is an apocalyptic number.

It is an amenable number.

11890077 is a deficient number, since it is larger than the sum of its proper divisors (3963363).

11890077 is an equidigital number, since it uses as much as digits as its factorization.

11890077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963362.

The product of its (nonzero) digits is 3528, while the sum is 33.

The square root of 11890077 is about 3448.1990951800. The cubic root of 11890077 is about 228.2416451568.

Adding to 11890077 its reverse (77009811), we get a palindrome (88899888).

The spelling of 11890077 in words is "eleven million, eight hundred ninety thousand, seventy-seven".