6985887472 has 20 divisors (see below), whose sum is σ = 14247534280. Its totient is φ = 3309104448.

The previous prime is 6985887449. The next prime is 6985887473. The reversal of 6985887472 is 2747885896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6985887473) 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, 11489643 + ... + 11490250.

It is an arithmetic number, because the mean of its divisors is an integer number (712376714).

Almost surely, 2^6985887472 is an apocalyptic number.

It is an amenable number.

6985887472 is an abundant number, since it is smaller than the sum of its proper divisors (7261646808).

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

6985887472 is a wasteful number, since it uses less digits than its factorization.

6985887472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22979920 (or 22979914 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 64.

The square root of 6985887472 is about 83581.6216162381. The cubic root of 6985887472 is about 1911.6447800383.

The spelling of 6985887472 in words is "six billion, nine hundred eighty-five million, eight hundred eighty-seven thousand, four hundred seventy-two".