7857995508000 has 576 divisors, whose sum is σ = 30473872700544. Its totient is φ = 1901802240000.

The previous prime is 7857995507959. The next prime is 7857995508029. The reversal of 7857995508000 is 8055997587.

7857995508000 is a `hidden beast` number, since 7 + 8 + 5 + 79 + 9 + 550 + 8 + 0 + 0 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 242731815 + ... + 242764185.

It is an arithmetic number, because the mean of its divisors is an integer number (52906028994).

Almost surely, 2^{7857995508000} 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 7857995508000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15236936350272).

7857995508000 is an abundant number, since it is smaller than the sum of its proper divisors (22615877192544).

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

7857995508000 is a wasteful number, since it uses less digits than its factorization.

7857995508000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33026 (or 33005 counting only the distinct ones).

The product of its (nonzero) digits is 31752000, while the sum is 63.

The spelling of 7857995508000 in words is "seven trillion, eight hundred fifty-seven billion, nine hundred ninety-five million, five hundred eight thousand".