6868951780 has 12 divisors (see below), whose sum is σ = 14424798780. Its totient is φ = 2747580704.

The previous prime is 6868951721. The next prime is 6868951781. The reversal of 6868951780 is 871598686.

It can be written as a sum of positive squares in 2 ways, for example, as 4696086784 + 2172864996 = 68528^2 + 46614^2 .

It is not an unprimeable number, because it can be changed into a prime (6868951781) 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, 171723775 + ... + 171723814.

It is an arithmetic number, because the mean of its divisors is an integer number (1202066565).

Almost surely, 2^6868951780 is an apocalyptic number.

It is an amenable number.

6868951780 is an abundant number, since it is smaller than the sum of its proper divisors (7555847000).

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

6868951780 is a wasteful number, since it uses less digits than its factorization.

6868951780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343447598 (or 343447596 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 58.

The square root of 6868951780 is about 82879.1395949548. The cubic root of 6868951780 is about 1900.9184645278.

The spelling of 6868951780 in words is "six billion, eight hundred sixty-eight million, nine hundred fifty-one thousand, seven hundred eighty".