5678311718 has 4 divisors (see below), whose sum is σ = 8517467580. Its totient is φ = 2839155858.

The previous prime is 5678311711. The next prime is 5678311741. The reversal of 5678311718 is 8171138765.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×5678311718² = 64486447933552223048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5678311711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1419577928 + ... + 1419577931.

It is an arithmetic number, because the mean of its divisors is an integer number (2129366895).

Almost surely, 2^5678311718 is an apocalyptic number.

5678311718 is a deficient number, since it is larger than the sum of its proper divisors (2839155862).

5678311718 is a wasteful number, since it uses less digits than its factorization.

5678311718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839155861.

The product of its digits is 282240, while the sum is 47.

The square root of 5678311718 is about 75354.5733051419. The cubic root of 5678311718 is about 1784.0474867460.

The spelling of 5678311718 in words is "five billion, six hundred seventy-eight million, three hundred eleven thousand, seven hundred eighteen".