6709828878 has 24 divisors (see below), whose sum is σ = 14544171408. Its totient is φ = 2235654432.

The previous prime is 6709828877. The next prime is 6709828913. The reversal of 6709828878 is 8788289076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6709828871) 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, 35626 + ... + 121197.

It is an arithmetic number, because the mean of its divisors is an integer number (606007142).

Almost surely, 2^6709828878 is an apocalyptic number.

6709828878 is an abundant number, since it is smaller than the sum of its proper divisors (7834342530).

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

6709828878 is a wasteful number, since it uses less digits than its factorization.

6709828878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159208 (or 159205 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 63.

The square root of 6709828878 is about 81913.5451436452. The cubic root of 6709828878 is about 1886.1250431104.

The spelling of 6709828878 in words is "six billion, seven hundred nine million, eight hundred twenty-eight thousand, eight hundred seventy-eight".