7881163961076 has 72 divisors (see below), whose sum is σ = 22783098752960. Its totient is φ = 2250248760576.

The previous prime is 7881163960981. The next prime is 7881163961087. The reversal of 7881163961076 is 6701693611887.

7881163961076 is a `hidden beast` number, since 7 + 8 + 8 + 1 + 1 + 6 + 3 + 9 + 610 + 7 + 6 = 666.

It is a super-2 number, since 2×7881163961076² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10126606 + ... + 10877061.

Almost surely, 2^{7881163961076} is an apocalyptic number.

It is an amenable number.

7881163961076 is an abundant number, since it is smaller than the sum of its proper divisors (14901934791884).

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

7881163961076 is a wasteful number, since it uses less digits than its factorization.

7881163961076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21005173 (or 21005168 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The spelling of 7881163961076 in words is "seven trillion, eight hundred eighty-one billion, one hundred sixty-three million, nine hundred sixty-one thousand, seventy-six".