7981876576 has 24 divisors (see below), whose sum is σ = 16397552304. Its totient is φ = 3817418880.

The previous prime is 7981876571. The next prime is 7981876577. The reversal of 7981876576 is 6756781897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7981876571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5421735 + ... + 5423206.

It is an arithmetic number, because the mean of its divisors is an integer number (683231346).

Almost surely, 2^7981876576 is an apocalyptic number.

It is an amenable number.

7981876576 is an abundant number, since it is smaller than the sum of its proper divisors (8415675728).

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

7981876576 is a wasteful number, since it uses less digits than its factorization.

7981876576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10844974 (or 10844966 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 64.

The square root of 7981876576 is about 89341.3486354443. The cubic root of 7981876576 is about 1998.4885727482.

The spelling of 7981876576 in words is "seven billion, nine hundred eighty-one million, eight hundred seventy-six thousand, five hundred seventy-six".