11777416873 has 2 divisors, whose sum is σ = 11777416874. Its totient is φ = 11777416872.

The previous prime is 11777416853. The next prime is 11777416877. The reversal of 11777416873 is 37861477711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9496112704 + 2281304169 = 97448^2 + 47763^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11777416873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11777416873.

It is not a weakly prime, because it can be changed into another prime (11777416877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5888708436 + 5888708437.

It is an arithmetic number, because the mean of its divisors is an integer number (5888708437).

Almost surely, 2^11777416873 is an apocalyptic number.

It is an amenable number.

11777416873 is a deficient number, since it is larger than the sum of its proper divisors (1).

11777416873 is an equidigital number, since it uses as much as digits as its factorization.

11777416873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382976, while the sum is 52.

The spelling of 11777416873 in words is "eleven billion, seven hundred seventy-seven million, four hundred sixteen thousand, eight hundred seventy-three".