47172173722236 has 48 divisors (see below), whose sum is σ = 122299479258880. Its totient is φ = 15723897053040.

The previous prime is 47172173722229. The next prime is 47172173722237. The reversal of 47172173722236 is 63222737127174.

47172173722236 is a `hidden beast` number, since 4 + 7 + 1 + 7 + 217 + 372 + 22 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47172173722237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8614935 + ... + 12983121.

Almost surely, 2^{47172173722236} is an apocalyptic number.

It is an amenable number.

47172173722236 is an abundant number, since it is smaller than the sum of its proper divisors (75127305536644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47172173722236 is a wasteful number, since it uses less digits than its factorization.

47172173722236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4468191 (or 4468183 counting only the distinct ones).

The product of its digits is 8297856, while the sum is 54.

The spelling of 47172173722236 in words is "forty-seven trillion, one hundred seventy-two billion, one hundred seventy-three million, seven hundred twenty-two thousand, two hundred thirty-six".