11664870467977 has 2 divisors, whose sum is σ = 11664870467978. Its totient is φ = 11664870467976.

The previous prime is 11664870467953. The next prime is 11664870468127. The reversal of 11664870467977 is 77976407846611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11653340862601 + 11529605376 = 3413699^2 + 107376^2 .

It is an emirp because it is prime and its reverse (77976407846611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11664870467977 - 2²³ = 11664862079369 is a prime.

It is a super-3 number, since 3×11664870467977³ (a number of 40 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11664870467077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5832435233988 + 5832435233989.

It is an arithmetic number, because the mean of its divisors is an integer number (5832435233989).

Almost surely, 2^{11664870467977} is an apocalyptic number.

It is an amenable number.

11664870467977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11664870467977 is an equidigital number, since it uses as much as digits as its factorization.

11664870467977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 597445632, while the sum is 73.

The spelling of 11664870467977 in words is "eleven trillion, six hundred sixty-four billion, eight hundred seventy million, four hundred sixty-seven thousand, nine hundred seventy-seven".