7877838059216 has 80 divisors (see below), whose sum is σ = 15801819095040. Its totient is φ = 3802349416320.

The previous prime is 7877838059159. The next prime is 7877838059219. The reversal of 7877838059216 is 6129508387787.

It is a super-2 number, since 2×7877838059216² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7877838059216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7877838059219) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 57378971 + ... + 57516101.

It is an arithmetic number, because the mean of its divisors is an integer number (197522738688).

Almost surely, 2^{7877838059216} is an apocalyptic number.

It is an amenable number.

7877838059216 is an abundant number, since it is smaller than the sum of its proper divisors (7923981035824).

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

7877838059216 is a wasteful number, since it uses less digits than its factorization.

7877838059216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138232 (or 138226 counting only the distinct ones).

The product of its (nonzero) digits is 284497920, while the sum is 71.

The spelling of 7877838059216 in words is "seven trillion, eight hundred seventy-seven billion, eight hundred thirty-eight million, fifty-nine thousand, two hundred sixteen".