11789977 has 2 divisors, whose sum is σ = 11789978. Its totient is φ = 11789976.

The previous prime is 11789971. The next prime is 11789983. The reversal of 11789977 is 77998711.

It is a balanced prime because it is at equal distance from previous prime (11789971) and next prime (11789983).

It can be written as a sum of positive squares in only one way, i.e., 8886361 + 2903616 = 2981^2 + 1704^2 .

It is a cyclic number.

It is not a de Polignac number, because 11789977 - 2³ = 11789969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11789977.

It is not a weakly prime, because it can be changed into another prime (11789971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5894988 + 5894989.

It is an arithmetic number, because the mean of its divisors is an integer number (5894989).

Almost surely, 2^11789977 is an apocalyptic number.

It is an amenable number.

11789977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11789977 is an equidigital number, since it uses as much as digits as its factorization.

11789977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 222264, while the sum is 49.

The square root of 11789977 is about 3433.6535934774. The cubic root of 11789977 is about 227.5993335085.

The spelling of 11789977 in words is "eleven million, seven hundred eighty-nine thousand, nine hundred seventy-seven".