6311678742 has 24 divisors (see below), whose sum is σ = 14395057560. Its totient is φ = 1993161600.

The previous prime is 6311678717. The next prime is 6311678743. The reversal of 6311678742 is 2478761136.

6311678742 is a `hidden beast` number, since 631 + 1 + 6 + 7 + 8 + 7 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6311678743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9227259 + ... + 9227942.

It is an arithmetic number, because the mean of its divisors is an integer number (599794065).

Almost surely, 2^6311678742 is an apocalyptic number.

6311678742 is an abundant number, since it is smaller than the sum of its proper divisors (8083378818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6311678742 is a wasteful number, since it uses less digits than its factorization.

6311678742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18455228 (or 18455225 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 6311678742 is about 79446.0744278784. The cubic root of 6311678742 is about 1848.0552968077.

The spelling of 6311678742 in words is "six billion, three hundred eleven million, six hundred seventy-eight thousand, seven hundred forty-two".