47909173798 has 16 divisors (see below), whose sum is σ = 76095243504. Its totient is φ = 22544248320.

The previous prime is 47909173703. The next prime is 47909173799. The reversal of 47909173798 is 89737190974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47909173799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949753 + ... + 998923.

It is an arithmetic number, because the mean of its divisors is an integer number (4755952719).

Almost surely, 2^47909173798 is an apocalyptic number.

47909173798 is a deficient number, since it is larger than the sum of its proper divisors (28186069706).

47909173798 is a wasteful number, since it uses less digits than its factorization.

47909173798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77847.

The product of its (nonzero) digits is 24004512, while the sum is 64.

The spelling of 47909173798 in words is "forty-seven billion, nine hundred nine million, one hundred seventy-three thousand, seven hundred ninety-eight".