47992945618 has 8 divisors (see below), whose sum is σ = 71990824320. Its totient is φ = 23996004180.

The previous prime is 47992945613. The next prime is 47992945631. The reversal of 47992945618 is 81654929974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 47992945618.

It is not an unprimeable number, because it can be changed into a prime (47992945613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88038 + ... + 322081.

It is an arithmetic number, because the mean of its divisors is an integer number (8998853040).

Almost surely, 2^47992945618 is an apocalyptic number.

47992945618 is a deficient number, since it is larger than the sum of its proper divisors (23997878702).

47992945618 is a wasteful number, since it uses less digits than its factorization.

47992945618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468632.

The product of its digits is 39191040, while the sum is 64.

The spelling of 47992945618 in words is "forty-seven billion, nine hundred ninety-two million, nine hundred forty-five thousand, six hundred eighteen".