6388880328792 has 384 divisors, whose sum is σ = 19630569853440. Its totient is φ = 1863426539520.

The previous prime is 6388880328769. The next prime is 6388880328829. The reversal of 6388880328792 is 2978230888836.

6388880328792 is a `hidden beast` number, since 6 + 388 + 8 + 80 + 3 + 2 + 87 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 6388880328792.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1034968618 + ... + 1034974790.

It is an arithmetic number, because the mean of its divisors is an integer number (51121275660).

Almost surely, 2^{6388880328792} is an apocalyptic number.

6388880328792 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6388880328792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9815284926720).

6388880328792 is an abundant number, since it is smaller than the sum of its proper divisors (13241689524648).

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

6388880328792 is a wasteful number, since it uses less digits than its factorization.

6388880328792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955 (or 6948 counting only the distinct ones).

The product of its (nonzero) digits is 445906944, while the sum is 72.

The spelling of 6388880328792 in words is "six trillion, three hundred eighty-eight billion, eight hundred eighty million, three hundred twenty-eight thousand, seven hundred ninety-two".