7920995621376 has 160 divisors (see below), whose sum is σ = 21187705828608. Its totient is φ = 2629633310720.

The previous prime is 7920995621323. The next prime is 7920995621377. The reversal of 7920995621376 is 6731265990297.

It is not an unprimeable number, because it can be changed into a prime (7920995621377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392565400 + ... + 392585576.

Almost surely, 2^{7920995621376} 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 7920995621376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10593852914304).

7920995621376 is an abundant number, since it is smaller than the sum of its proper divisors (13266710207232).

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

7920995621376 is a wasteful number, since it uses less digits than its factorization.

7920995621376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21222 (or 21206 counting only the distinct ones).

The product of its (nonzero) digits is 77157360, while the sum is 66.

The spelling of 7920995621376 in words is "seven trillion, nine hundred twenty billion, nine hundred ninety-five million, six hundred twenty-one thousand, three hundred seventy-six".