6869485780 has 24 divisors (see below), whose sum is σ = 14923366920. Its totient is φ = 2653042560.

The previous prime is 6869485759. The next prime is 6869485789. The reversal of 6869485780 is 875849686.

It can be written as a sum of positive squares in 4 ways, for example, as 114618436 + 6754867344 = 10706^2 + 82188^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6869485789) 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, 5921391 + ... + 5922550.

It is an arithmetic number, because the mean of its divisors is an integer number (621806955).

Almost surely, 2^6869485780 is an apocalyptic number.

It is an amenable number.

6869485780 is an abundant number, since it is smaller than the sum of its proper divisors (8053881140).

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

6869485780 is a wasteful number, since it uses less digits than its factorization.

6869485780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11843979 (or 11843977 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 61.

The square root of 6869485780 is about 82882.3610908859. The cubic root of 6869485780 is about 1900.9677230944.

The spelling of 6869485780 in words is "six billion, eight hundred sixty-nine million, four hundred eighty-five thousand, seven hundred eighty".