11780077 has 2 divisors, whose sum is σ = 11780078. Its totient is φ = 11780076.

The previous prime is 11780063. The next prime is 11780081. The reversal of 11780077 is 77008711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11162281 + 617796 = 3341^2 + 786^2 .

It is a cyclic number.

It is not a de Polignac number, because 11780077 - 2¹⁹ = 11255789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11780777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5890038 + 5890039.

It is an arithmetic number, because the mean of its divisors is an integer number (5890039).

Almost surely, 2^11780077 is an apocalyptic number.

It is an amenable number.

11780077 is a deficient number, since it is larger than the sum of its proper divisors (1).

11780077 is an equidigital number, since it uses as much as digits as its factorization.

11780077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2744, while the sum is 31.

The square root of 11780077 is about 3432.2116776213. The cubic root of 11780077 is about 227.5356108969.

Adding to 11780077 its reverse (77008711), we get a palindrome (88788788).

The spelling of 11780077 in words is "eleven million, seven hundred eighty thousand, seventy-seven".