6897987824 has 60 divisors (see below), whose sum is σ = 16539472656. Its totient is φ = 2728866816.

The previous prime is 6897987823. The next prime is 6897987827. The reversal of 6897987824 is 4287897986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6897987823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163289 + ... + 201144.

Almost surely, 2^6897987824 is an apocalyptic number.

It is an amenable number.

6897987824 is an abundant number, since it is smaller than the sum of its proper divisors (9641484832).

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

6897987824 is a wasteful number, since it uses less digits than its factorization.

6897987824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364474 (or 364455 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 68.

The square root of 6897987824 is about 83054.1258698206. The cubic root of 6897987824 is about 1903.5931842164.

The spelling of 6897987824 in words is "six billion, eight hundred ninety-seven million, nine hundred eighty-seven thousand, eight hundred twenty-four".