7756874012864 has 112 divisors (see below), whose sum is σ = 15939328487040. Its totient is φ = 3743630991360.

The previous prime is 7756874012827. The next prime is 7756874012887. The reversal of 7756874012864 is 4682104786577.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7756874012864.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51009584 + ... + 51161424.

It is an arithmetic number, because the mean of its divisors is an integer number (142315432920).

Almost surely, 2^{7756874012864} 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 7756874012864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7969664243520).

7756874012864 is an abundant number, since it is smaller than the sum of its proper divisors (8182454474176).

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

7756874012864 is a wasteful number, since it uses less digits than its factorization.

7756874012864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152158 (or 152148 counting only the distinct ones).

The product of its (nonzero) digits is 126443520, while the sum is 65.

The spelling of 7756874012864 in words is "seven trillion, seven hundred fifty-six billion, eight hundred seventy-four million, twelve thousand, eight hundred sixty-four".