6842762878 has 32 divisors (see below), whose sum is σ = 11993976000. Its totient is φ = 2926701792.

The previous prime is 6842762851. The next prime is 6842762879. The reversal of 6842762878 is 8782672486.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6842762879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339376 + ... + 358972.

It is an arithmetic number, because the mean of its divisors is an integer number (374811750).

Almost surely, 2^6842762878 is an apocalyptic number.

6842762878 is a deficient number, since it is larger than the sum of its proper divisors (5151213122).

6842762878 is a wasteful number, since it uses less digits than its factorization.

6842762878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20129 (or 20115 counting only the distinct ones).

The product of its digits is 14450688, while the sum is 58.

The square root of 6842762878 is about 82720.9941792288. The cubic root of 6842762878 is about 1898.4995428032.

The spelling of 6842762878 in words is "six billion, eight hundred forty-two million, seven hundred sixty-two thousand, eight hundred seventy-eight".