6984407678975 has 48 divisors (see below), whose sum is σ = 8822649600000. Its totient is φ = 5484078547200.

The previous prime is 6984407678939. The next prime is 6984407679017. The reversal of 6984407678975 is 5798767044896.

It is a happy number.

It is not a de Polignac number, because 6984407678975 - 2²² = 6984403484671 is a prime.

It is a super-2 number, since 2×6984407678975² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6984407678975.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190817726 + ... + 190854324.

It is an arithmetic number, because the mean of its divisors is an integer number (183805200000).

Almost surely, 2^{6984407678975} is an apocalyptic number.

6984407678975 is a deficient number, since it is larger than the sum of its proper divisors (1838241921025).

6984407678975 is a wasteful number, since it uses less digits than its factorization.

6984407678975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37328 (or 37323 counting only the distinct ones).

The product of its (nonzero) digits is 5120962560, while the sum is 80.

The spelling of 6984407678975 in words is "six trillion, nine hundred eighty-four billion, four hundred seven million, six hundred seventy-eight thousand, nine hundred seventy-five".