5678539777 has 4 divisors (see below), whose sum is σ = 5680117696. Its totient is φ = 5676961860.

The previous prime is 5678539753. The next prime is 5678539787. The reversal of 5678539777 is 7779358765.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5678539777 - 2⁷ = 5678539649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5678539787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783549 + ... + 790762.

It is an arithmetic number, because the mean of its divisors is an integer number (1420029424).

Almost surely, 2^5678539777 is an apocalyptic number.

It is an amenable number.

5678539777 is a deficient number, since it is larger than the sum of its proper divisors (1577919).

5678539777 is a wasteful number, since it uses less digits than its factorization.

5678539777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577918.

The product of its digits is 77792400, while the sum is 64.

The square root of 5678539777 is about 75356.0865292247. The cubic root of 5678539777 is about 1784.0713707605.

The spelling of 5678539777 in words is "five billion, six hundred seventy-eight million, five hundred thirty-nine thousand, seven hundred seventy-seven".