7990686262080 has 336 divisors, whose sum is σ = 29197777137984. Its totient is φ = 2078876897280.

The previous prime is 7990686262057. The next prime is 7990686262147. The reversal of 7990686262080 is 802626860997.

It is a junction number, because it is equal to n+sod(n) for n = 7990686261999 and 7990686262017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1934979 + ... + 4441341.

It is an arithmetic number, because the mean of its divisors is an integer number (86898146244).

Almost surely, 2^{7990686262080} 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 7990686262080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14598888568992).

7990686262080 is an abundant number, since it is smaller than the sum of its proper divisors (21207090875904).

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

7990686262080 is a wasteful number, since it uses less digits than its factorization.

7990686262080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506436 (or 2506414 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 7990686262080 in words is "seven trillion, nine hundred ninety billion, six hundred eighty-six million, two hundred sixty-two thousand, eighty".