47862983218 has 4 divisors (see below), whose sum is σ = 71794474830. Its totient is φ = 23931491608.

The previous prime is 47862983191. The next prime is 47862983237. The reversal of 47862983218 is 81238926874.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31551351129 + 16311632089 = 177627^2 + 127717^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11965745803 + ... + 11965745806.

Almost surely, 2^47862983218 is an apocalyptic number.

47862983218 is a deficient number, since it is larger than the sum of its proper divisors (23931491612).

47862983218 is a wasteful number, since it uses less digits than its factorization.

47862983218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23931491611.

The product of its digits is 9289728, while the sum is 58.

The spelling of 47862983218 in words is "forty-seven billion, eight hundred sixty-two million, nine hundred eighty-three thousand, two hundred eighteen".