7997380776000 has 2352 divisors, whose sum is σ = 37325456138880. Its totient is φ = 1660766976000.

The previous prime is 7997380775983. The next prime is 7997380776043. The reversal of 7997380776000 is 6770837997.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

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 335 ways as a sum of consecutive naturals, for example, 4939703191 + ... + 4939704809.

Almost surely, 2^{7997380776000} is an apocalyptic number.

7997380776000 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 7997380776000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18662728069440).

7997380776000 is an abundant number, since it is smaller than the sum of its proper divisors (29328075362880).

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

7997380776000 is a wasteful number, since it uses less digits than its factorization.

7997380776000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 28005264, while the sum is 63.

The spelling of 7997380776000 in words is "seven trillion, nine hundred ninety-seven billion, three hundred eighty million, seven hundred seventy-six thousand".