7880972645616 has 320 divisors, whose sum is σ = 24715263836160. Its totient is φ = 2115377510400.

The previous prime is 7880972645603. The next prime is 7880972645671. The reversal of 7880972645616 is 6165462790887.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 134801191 + ... + 134859641.

It is an arithmetic number, because the mean of its divisors is an integer number (77235199488).

Almost surely, 2^{7880972645616} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7880972645616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12357631918080).

7880972645616 is an abundant number, since it is smaller than the sum of its proper divisors (16834291190544).

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

7880972645616 is a wasteful number, since it uses less digits than its factorization.

7880972645616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58804 (or 58798 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 69.

The spelling of 7880972645616 in words is "seven trillion, eight hundred eighty billion, nine hundred seventy-two million, six hundred forty-five thousand, six hundred sixteen".