6755886217878 has 64 divisors (see below), whose sum is σ = 16148372308992. Its totient is φ = 1842323978880.

The previous prime is 6755886217877. The next prime is 6755886217937. The reversal of 6755886217878 is 8787126885576.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6755886217877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7140001 + ... + 8030652.

It is an arithmetic number, because the mean of its divisors is an integer number (252318317328).

Almost surely, 2^{6755886217878} is an apocalyptic number.

6755886217878 is an abundant number, since it is smaller than the sum of its proper divisors (9392486091114).

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

6755886217878 is a wasteful number, since it uses less digits than its factorization.

6755886217878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15171149.

The product of its digits is 2528870400, while the sum is 78.

The spelling of 6755886217878 in words is "six trillion, seven hundred fifty-five billion, eight hundred eighty-six million, two hundred seventeen thousand, eight hundred seventy-eight".