6897452547986 has 240 divisors, whose sum is σ = 14430411465624. Its totient is φ = 2455770240000.

The previous prime is 6897452547949. The next prime is 6897452548001.

6897452547986 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 6876116395225 + 21336152761 = 2622235^2 + 146069^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6897452547986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 762903626 + ... + 762912666.

Almost surely, 2^{6897452547986} is an apocalyptic number.

6897452547986 is an abundant number, since it is smaller than the sum of its proper divisors (7532958917638).

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

6897452547986 is a wasteful number, since it uses less digits than its factorization.

6897452547986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9207 (or 9175 counting only the distinct ones).

The product of its digits is 7315660800, while the sum is 80.

The spelling of 6897452547986 in words is "six trillion, eight hundred ninety-seven billion, four hundred fifty-two million, five hundred forty-seven thousand, nine hundred eighty-six".