6897467520 has 192 divisors, whose sum is σ = 24700515840. Its totient is φ = 1839283200.

The previous prime is 6897467519. The next prime is 6897467537. The reversal of 6897467520 is 257647986.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133345 + ... + 177695.

It is an arithmetic number, because the mean of its divisors is an integer number (128648520).

Almost surely, 2^6897467520 is an apocalyptic number.

6897467520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6897467520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12350257920).

6897467520 is an abundant number, since it is smaller than the sum of its proper divisors (17803048320).

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

6897467520 is an equidigital number, since it uses as much as digits as its factorization.

6897467520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44385 (or 44361 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The square root of 6897467520 is about 83050.9934919505. The cubic root of 6897467520 is about 1903.5453213672.

The spelling of 6897467520 in words is "six billion, eight hundred ninety-seven million, four hundred sixty-seven thousand, five hundred twenty".