6987963144 has 16 divisors (see below), whose sum is σ = 17469907920. Its totient is φ = 2329321040.

The previous prime is 6987963131. The next prime is 6987963173. The reversal of 6987963144 is 4413697896.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145582542 + ... + 145582589.

It is an arithmetic number, because the mean of its divisors is an integer number (1091869245).

Almost surely, 2^6987963144 is an apocalyptic number.

It is an amenable number.

6987963144 is an abundant number, since it is smaller than the sum of its proper divisors (10481944776).

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

6987963144 is a wasteful number, since it uses less digits than its factorization.

6987963144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291165140 (or 291165136 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 57.

The square root of 6987963144 is about 83594.0377299721. The cubic root of 6987963144 is about 1911.8340928796.

The spelling of 6987963144 in words is "six billion, nine hundred eighty-seven million, nine hundred sixty-three thousand, one hundred forty-four".