6885997272 has 160 divisors (see below), whose sum is σ = 24046513920. Its totient is φ = 1788557760.

The previous prime is 6885997247. The next prime is 6885997319. The reversal of 6885997272 is 2727995886.

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 39 ways as a sum of consecutive naturals, for example, 19108 + ... + 118899.

It is an arithmetic number, because the mean of its divisors is an integer number (150290712).

Almost surely, 2^6885997272 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 6885997272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12023256960).

6885997272 is an abundant number, since it is smaller than the sum of its proper divisors (17160516648).

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

6885997272 is a wasteful number, since it uses less digits than its factorization.

6885997272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138043 (or 138030 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The square root of 6885997272 is about 82981.9093055830. The cubic root of 6885997272 is about 1902.4895594188.

The spelling of 6885997272 in words is "six billion, eight hundred eighty-five million, nine hundred ninety-seven thousand, two hundred seventy-two".