5613856777 has 2 divisors, whose sum is σ = 5613856778. Its totient is φ = 5613856776.

The previous prime is 5613856711. The next prime is 5613856823. The reversal of 5613856777 is 7776583165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5613605776 + 251001 = 74924^2 + 501^2 .

It is a cyclic number.

It is not a de Polignac number, because 5613856777 - 2¹⁵ = 5613824009 is a prime.

It is not a weakly prime, because it can be changed into another prime (5613856177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2806928388 + 2806928389.

It is an arithmetic number, because the mean of its divisors is an integer number (2806928389).

Almost surely, 2^5613856777 is an apocalyptic number.

It is an amenable number.

5613856777 is a deficient number, since it is larger than the sum of its proper divisors (1).

5613856777 is an equidigital number, since it uses as much as digits as its factorization.

5613856777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7408800, while the sum is 55.

The square root of 5613856777 is about 74925.6750186476. The cubic root of 5613856777 is about 1777.2714979685.

The spelling of 5613856777 in words is "five billion, six hundred thirteen million, eight hundred fifty-six thousand, seven hundred seventy-seven".