6868788 has 12 divisors (see below), whose sum is σ = 16027200. Its totient is φ = 2289592.

The previous prime is 6868781. The next prime is 6868801. The reversal of 6868788 is 8878686.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6868788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6868781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286188 + ... + 286211.

It is an arithmetic number, because the mean of its divisors is an integer number (1335600).

Almost surely, 2^6868788 is an apocalyptic number.

It is an amenable number.

6868788 is an abundant number, since it is smaller than the sum of its proper divisors (9158412).

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

6868788 is a wasteful number, since it uses less digits than its factorization.

6868788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572406 (or 572404 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 51.

The square root of 6868788 is about 2620.8372707973. The cubic root of 6868788 is about 190.0903356211.

It can be divided in two parts, 686 and 8788, that multiplied together give a cube (6028568 = 182³).

The spelling of 6868788 in words is "six million, eight hundred sixty-eight thousand, seven hundred eighty-eight".