6873868764 has 144 divisors (see below), whose sum is σ = 20803157760. Its totient is φ = 1957102560.

The previous prime is 6873868741. The next prime is 6873868801. The reversal of 6873868764 is 4678683786.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1622529 + ... + 1626759.

Almost surely, 2^6873868764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6873868764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10401578880).

6873868764 is an abundant number, since it is smaller than the sum of its proper divisors (13929288996).

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

6873868764 is a wasteful number, since it uses less digits than its factorization.

6873868764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4565 (or 4550 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 63.

The square root of 6873868764 is about 82908.7978685013. The cubic root of 6873868764 is about 1901.3719328605.

The spelling of 6873868764 in words is "six billion, eight hundred seventy-three million, eight hundred sixty-eight thousand, seven hundred sixty-four".