47572258618 has 16 divisors (see below), whose sum is σ = 75562407144. Its totient is φ = 22385029120.

The previous prime is 47572258589. The next prime is 47572258639. The reversal of 47572258618 is 81685227574.

47572258618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 46992267729 + 579990889 = 216777^2 + 24083^2 .

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, 392796 + ... + 499432.

Almost surely, 2^47572258618 is an apocalyptic number.

47572258618 is a deficient number, since it is larger than the sum of its proper divisors (27990148526).

47572258618 is a wasteful number, since it uses less digits than its factorization.

47572258618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119777.

The product of its digits is 7526400, while the sum is 55.

The spelling of 47572258618 in words is "forty-seven billion, five hundred seventy-two million, two hundred fifty-eight thousand, six hundred eighteen".