6786878125752 has 24 divisors (see below), whose sum is σ = 18381128257440. Its totient is φ = 2262292708560.

The previous prime is 6786878125751. The next prime is 6786878125787. The reversal of 6786878125752 is 2575218786876.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (72), and also a Moran number because the ratio is a prime number: 94262196191 = 6786878125752 / (6 + 7 + 8 + 6 + 8 + 7 + 8 + 1 + 2 + 5 + 7 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6786878125751) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47131098024 + ... + 47131098167.

It is an arithmetic number, because the mean of its divisors is an integer number (765880344060).

Almost surely, 2^{6786878125752} is an apocalyptic number.

It is an amenable number.

6786878125752 is an abundant number, since it is smaller than the sum of its proper divisors (11594250131688).

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

6786878125752 is a wasteful number, since it uses less digits than its factorization.

6786878125752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94262196203 (or 94262196196 counting only the distinct ones).

The product of its digits is 632217600, while the sum is 72.

The spelling of 6786878125752 in words is "six trillion, seven hundred eighty-six billion, eight hundred seventy-eight million, one hundred twenty-five thousand, seven hundred fifty-two".