7978884088488 has 16 divisors (see below), whose sum is σ = 19947210221280. Its totient is φ = 2659628029488.

The previous prime is 7978884088471. The next prime is 7978884088529. The reversal of 7978884088488 is 8848804888797.

It is a super-2 number, since 2×7978884088488² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166226751820 + ... + 166226751867.

It is an arithmetic number, because the mean of its divisors is an integer number (1246700638830).

Almost surely, 2^{7978884088488} is an apocalyptic number.

It is an amenable number.

7978884088488 is an abundant number, since it is smaller than the sum of its proper divisors (11968326132792).

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

7978884088488 is a wasteful number, since it uses less digits than its factorization.

7978884088488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332453503696 (or 332453503692 counting only the distinct ones).

The product of its (nonzero) digits is 14797504512, while the sum is 87.

The spelling of 7978884088488 in words is "seven trillion, nine hundred seventy-eight billion, eight hundred eighty-four million, eighty-eight thousand, four hundred eighty-eight".