8557823480 has 32 divisors (see below), whose sum is σ = 19471460400. Its totient is φ = 3384665856.

The previous prime is 8557823473. The next prime is 8557823531. The reversal of 8557823480 is 843287558.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198382 + ... + 1205501.

Almost surely, 2^8557823480 is an apocalyptic number.

It is an amenable number.

8557823480 is an abundant number, since it is smaller than the sum of its proper divisors (10913636920).

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

8557823480 is a wasteful number, since it uses less digits than its factorization.

8557823480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403983 (or 2403979 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 50.

The square root of 8557823480 is about 92508.5049063058. The cubic root of 8557823480 is about 2045.4448515443. Note that the first 3 decimals are identical.

The spelling of 8557823480 in words is "eight billion, five hundred fifty-seven million, eight hundred twenty-three thousand, four hundred eighty".