6988378090004 has 48 divisors (see below), whose sum is σ = 12515075596800. Its totient is φ = 3412949389056.

The previous prime is 6988378089997. The next prime is 6988378090007. The reversal of 6988378090004 is 4000908738896.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6988378090007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191585912 + ... + 191622384.

It is an arithmetic number, because the mean of its divisors is an integer number (260730741600).

Almost surely, 2^{6988378090004} is an apocalyptic number.

It is an amenable number.

6988378090004 is a deficient number, since it is larger than the sum of its proper divisors (5526697506796).

6988378090004 is a wasteful number, since it uses less digits than its factorization.

6988378090004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38552 (or 38550 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 62.

The spelling of 6988378090004 in words is "six trillion, nine hundred eighty-eight billion, three hundred seventy-eight million, ninety thousand, four".