11877797 has 2 divisors, whose sum is σ = 11877798. Its totient is φ = 11877796.

The previous prime is 11877779. The next prime is 11877809. The reversal of 11877797 is 79777811.

Together with previous prime (11877779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11826721 + 51076 = 3439^2 + 226^2 .

It is a cyclic number.

It is not a de Polignac number, because 11877797 - 2¹⁰ = 11876773 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11877727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5938898 + 5938899.

It is an arithmetic number, because the mean of its divisors is an integer number (5938899).

Almost surely, 2^11877797 is an apocalyptic number.

It is an amenable number.

11877797 is a deficient number, since it is larger than the sum of its proper divisors (1).

11877797 is an equidigital number, since it uses as much as digits as its factorization.

11877797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172872, while the sum is 47.

The square root of 11877797 is about 3446.4179955426. The cubic root of 11877797 is about 228.1630425578.

The spelling of 11877797 in words is "eleven million, eight hundred seventy-seven thousand, seven hundred ninety-seven".