6785488678742 has 4 divisors (see below), whose sum is σ = 10178233018116. Its totient is φ = 3392744339370.

The previous prime is 6785488678679. The next prime is 6785488678753. The reversal of 6785488678742 is 2478768845876.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1696372169684 + ... + 1696372169687.

It is an arithmetic number, because the mean of its divisors is an integer number (2544558254529).

Almost surely, 2^{6785488678742} is an apocalyptic number.

6785488678742 is a deficient number, since it is larger than the sum of its proper divisors (3392744339374).

6785488678742 is a wasteful number, since it uses less digits than its factorization.

6785488678742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392744339373.

The product of its digits is 8092385280, while the sum is 80.

The spelling of 6785488678742 in words is "six trillion, seven hundred eighty-five billion, four hundred eighty-eight million, six hundred seventy-eight thousand, seven hundred forty-two".