5678477771 has 2 divisors, whose sum is σ = 5678477772. Its totient is φ = 5678477770.

The previous prime is 5678477747. The next prime is 5678477821. The reversal of 5678477771 is 1777748765.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5678477771 is a prime.

It is a super-2 number, since 2×5678477771² = 64490219591482256882, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5678477771.

It is not a weakly prime, because it can be changed into another prime (5678477741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2839238885 + 2839238886.

It is an arithmetic number, because the mean of its divisors is an integer number (2839238886).

Almost surely, 2^5678477771 is an apocalyptic number.

5678477771 is a deficient number, since it is larger than the sum of its proper divisors (1).

5678477771 is an equidigital number, since it uses as much as digits as its factorization.

5678477771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16134720, while the sum is 59.

The square root of 5678477771 is about 75355.6751081164. The cubic root of 5678477771 is about 1784.0648770998.

The spelling of 5678477771 in words is "five billion, six hundred seventy-eight million, four hundred seventy-seven thousand, seven hundred seventy-one".