6826315878 has 32 divisors (see below), whose sum is σ = 15658936320. Its totient is φ = 2202036840.

The previous prime is 6826315823. The next prime is 6826315879. The reversal of 6826315878 is 8785136286.

6826315878 is a `hidden beast` number, since 6 + 8 + 26 + 31 + 587 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6826315879) 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, 2037250 + ... + 2040597.

It is an arithmetic number, because the mean of its divisors is an integer number (489341760).

Almost surely, 2^6826315878 is an apocalyptic number.

6826315878 is an abundant number, since it is smaller than the sum of its proper divisors (8832620442).

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

6826315878 is a wasteful number, since it uses less digits than its factorization.

6826315878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077889 (or 4077883 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 6826315878 is about 82621.5218814081. The cubic root of 6826315878 is about 1896.9772691855.

The spelling of 6826315878 in words is "six billion, eight hundred twenty-six million, three hundred fifteen thousand, eight hundred seventy-eight".