7071478880564 has 48 divisors (see below), whose sum is σ = 14241917491200. Its totient is φ = 3009443090400.

The previous prime is 7071478880551. The next prime is 7071478880617. The reversal of 7071478880564 is 4650888741707.

It is a self number, because there is not a number n which added to its sum of digits gives 7071478880564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11101529 + ... + 11721215.

It is an arithmetic number, because the mean of its divisors is an integer number (296706614400).

Almost surely, 2^{7071478880564} is an apocalyptic number.

It is an amenable number.

7071478880564 is an abundant number, since it is smaller than the sum of its proper divisors (7170438610636).

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

7071478880564 is a wasteful number, since it uses less digits than its factorization.

7071478880564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622548 (or 622546 counting only the distinct ones).

The product of its (nonzero) digits is 84295680, while the sum is 65.

The spelling of 7071478880564 in words is "seven trillion, seventy-one billion, four hundred seventy-eight million, eight hundred eighty thousand, five hundred sixty-four".