47919756158 has 4 divisors (see below), whose sum is σ = 71879634240. Its totient is φ = 23959878078.

The previous prime is 47919756149. The next prime is 47919756161. The reversal of 47919756158 is 85165791974.

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

It is a self number, because there is not a number n which added to its sum of digits gives 47919756158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11979939038 + ... + 11979939041.

It is an arithmetic number, because the mean of its divisors is an integer number (17969908560).

Almost surely, 2^47919756158 is an apocalyptic number.

47919756158 is a deficient number, since it is larger than the sum of its proper divisors (23959878082).

47919756158 is a wasteful number, since it uses less digits than its factorization.

47919756158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23959878081.

The product of its digits is 19051200, while the sum is 62.

The spelling of 47919756158 in words is "forty-seven billion, nine hundred nineteen million, seven hundred fifty-six thousand, one hundred fifty-eight".