6900688780 has 24 divisors (see below), whose sum is σ = 14511631680. Its totient is φ = 2756430720.

The previous prime is 6900688763. The next prime is 6900688787. The reversal of 6900688780 is 878860096.

It is not an unprimeable number, because it can be changed into a prime (6900688787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225561 + ... + 254320.

It is an arithmetic number, because the mean of its divisors is an integer number (604651320).

Almost surely, 2^6900688780 is an apocalyptic number.

It is an amenable number.

6900688780 is an abundant number, since it is smaller than the sum of its proper divisors (7610942900).

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

6900688780 is a wasteful number, since it uses less digits than its factorization.

6900688780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480609 (or 480607 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The square root of 6900688780 is about 83070.3844941144. The cubic root of 6900688780 is about 1903.8416069276.

The spelling of 6900688780 in words is "six billion, nine hundred million, six hundred eighty-eight thousand, seven hundred eighty".