8578448723572 has 48 divisors (see below), whose sum is σ = 18493112616832. Its totient is φ = 3390649891200.

The previous prime is 8578448723473. The next prime is 8578448723597. The reversal of 8578448723572 is 2753278448758.

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, 10084179 + ... + 10901722.

Almost surely, 2^{8578448723572} is an apocalyptic number.

It is an amenable number.

8578448723572 is an abundant number, since it is smaller than the sum of its proper divisors (9914663893260).

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

8578448723572 is a wasteful number, since it uses less digits than its factorization.

8578448723572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20987048 (or 20987046 counting only the distinct ones).

The product of its digits is 842956800, while the sum is 70.

The spelling of 8578448723572 in words is "eight trillion, five hundred seventy-eight billion, four hundred forty-eight million, seven hundred twenty-three thousand, five hundred seventy-two".