7957950866740 has 192 divisors, whose sum is σ = 19456406323200. Its totient is φ = 2677910976000.

The previous prime is 7957950866731. The next prime is 7957950866743. The reversal of 7957950866740 is 476680597597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7957950866743) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2369141181 + ... + 2369144539.

It is an arithmetic number, because the mean of its divisors is an integer number (101335449600).

Almost surely, 2^{7957950866740} is an apocalyptic number.

7957950866740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7957950866740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9728203161600).

7957950866740 is an abundant number, since it is smaller than the sum of its proper divisors (11498455456460).

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

7957950866740 is a wasteful number, since it uses less digits than its factorization.

7957950866740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4886 (or 4884 counting only the distinct ones).

The product of its (nonzero) digits is 800150400, while the sum is 73.

The spelling of 7957950866740 in words is "seven trillion, nine hundred fifty-seven billion, nine hundred fifty million, eight hundred sixty-six thousand, seven hundred forty".