7880247458064 has 120 divisors (see below), whose sum is σ = 22202713578240. Its totient is φ = 2609040473856.

The previous prime is 7880247458011. The next prime is 7880247458071. The reversal of 7880247458064 is 4608547420887.

7880247458064 is a `hidden beast` number, since 7 + 8 + 8 + 0 + 2 + 47 + 4 + 580 + 6 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 7880247457992 and 7880247458010.

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, 22067562 + ... + 22421814.

It is an arithmetic number, because the mean of its divisors is an integer number (185022613152).

Almost surely, 2^{7880247458064} 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 7880247458064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11101356789120).

7880247458064 is an abundant number, since it is smaller than the sum of its proper divisors (14322466120176).

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

7880247458064 is a wasteful number, since it uses less digits than its factorization.

7880247458064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355309 (or 355300 counting only the distinct ones).

The product of its (nonzero) digits is 96337920, while the sum is 63.

The spelling of 7880247458064 in words is "seven trillion, eight hundred eighty billion, two hundred forty-seven million, four hundred fifty-eight thousand, sixty-four".