8557723630 has 32 divisors (see below), whose sum is σ = 15465250944. Its totient is φ = 3409487136.

The previous prime is 8557723627. The next prime is 8557723639. The reversal of 8557723630 is 363277558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8557723639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3188269 + ... + 3190951.

It is an arithmetic number, because the mean of its divisors is an integer number (483289092).

Almost surely, 2^8557723630 is an apocalyptic number.

8557723630 is a deficient number, since it is larger than the sum of its proper divisors (6907527314).

8557723630 is a wasteful number, since it uses less digits than its factorization.

8557723630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The square root of 8557723630 is about 92507.9652246227. The cubic root of 8557723630 is about 2045.4368963104.

The spelling of 8557723630 in words is "eight billion, five hundred fifty-seven million, seven hundred twenty-three thousand, six hundred thirty".