6850286778 has 8 divisors (see below), whose sum is σ = 13700573568. Its totient is φ = 2283428924.

The previous prime is 6850286767. The next prime is 6850286813. The reversal of 6850286778 is 8776820586.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

6850286778 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570857226 + ... + 570857237.

It is an arithmetic number, because the mean of its divisors is an integer number (1712571696).

Almost surely, 2^6850286778 is an apocalyptic number.

6850286778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6850286778 is a wasteful number, since it uses less digits than its factorization.

6850286778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141714468.

The product of its (nonzero) digits is 9031680, while the sum is 57.

The square root of 6850286778 is about 82766.4592573586. The cubic root of 6850286778 is about 1899.1951141114.

The spelling of 6850286778 in words is "six billion, eight hundred fifty million, two hundred eighty-six thousand, seven hundred seventy-eight".