6755390978 has 24 divisors (see below), whose sum is σ = 12167714304. Its totient is φ = 2801773800.

The previous prime is 6755390969. The next prime is 6755390987. The reversal of 6755390978 is 8790935576.

It is an interprime number because it is at equal distance from previous prime (6755390969) and next prime (6755390987).

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 11 ways as a sum of consecutive naturals, for example, 1108778 + ... + 1114853.

It is an arithmetic number, because the mean of its divisors is an integer number (506988096).

Almost surely, 2^6755390978 is an apocalyptic number.

6755390978 is a deficient number, since it is larger than the sum of its proper divisors (5412323326).

6755390978 is a wasteful number, since it uses less digits than its factorization.

6755390978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223678 (or 2223671 counting only the distinct ones).

The product of its (nonzero) digits is 14288400, while the sum is 59.

The square root of 6755390978 is about 82191.1855249698. The cubic root of 6755390978 is about 1890.3845673782.

The spelling of 6755390978 in words is "six billion, seven hundred fifty-five million, three hundred ninety thousand, nine hundred seventy-eight".