7791643226880 has 216 divisors, whose sum is σ = 26967347250480. Its totient is φ = 2077072220160.

The previous prime is 7791643226831. The next prime is 7791643226893. The reversal of 7791643226880 is 886223461977.

7791643226880 is a `hidden beast` number, since 7 + 79 + 164 + 322 + 6 + 8 + 80 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34574406 + ... + 34799034.

Almost surely, 2^{7791643226880} 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 7791643226880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13483673625240).

7791643226880 is an abundant number, since it is smaller than the sum of its proper divisors (19175704023600).

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

7791643226880 is a wasteful number, since it uses less digits than its factorization.

7791643226880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227667 (or 227650 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 7791643226880 in words is "seven trillion, seven hundred ninety-one billion, six hundred forty-three million, two hundred twenty-six thousand, eight hundred eighty".