7964660383872 has 256 divisors, whose sum is σ = 22464497233920. Its totient is φ = 2495829749760.

The previous prime is 7964660383837. The next prime is 7964660383891. The reversal of 7964660383872 is 2783830664697.

It is a junction number, because it is equal to n+sod(n) for n = 7964660383797 and 7964660383806.

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 31 ways as a sum of consecutive naturals, for example, 283194003 + ... + 283222125.

It is an arithmetic number, because the mean of its divisors is an integer number (87751942320).

Almost surely, 2^{7964660383872} 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 7964660383872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11232248616960).

7964660383872 is an abundant number, since it is smaller than the sum of its proper divisors (14499836850048).

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

7964660383872 is a wasteful number, since it uses less digits than its factorization.

7964660383872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28851 (or 28839 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 69.

The spelling of 7964660383872 in words is "seven trillion, nine hundred sixty-four billion, six hundred sixty million, three hundred eighty-three thousand, eight hundred seventy-two".