47172204747285 has 32 divisors (see below), whose sum is σ = 78874096543488. Its totient is φ = 24028903557120.

The previous prime is 47172204747281. The next prime is 47172204747313. The reversal of 47172204747285 is 58274740227174.

It is not a de Polignac number, because 47172204747285 - 2² = 47172204747281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47172204747281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101351046 + ... + 101815415.

It is an arithmetic number, because the mean of its divisors is an integer number (2464815516984).

Almost surely, 2^{47172204747285} is an apocalyptic number.

It is an amenable number.

47172204747285 is a deficient number, since it is larger than the sum of its proper divisors (31701891796203).

47172204747285 is a wasteful number, since it uses less digits than its factorization.

47172204747285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203167165.

The product of its (nonzero) digits is 49172480, while the sum is 60.

The spelling of 47172204747285 in words is "forty-seven trillion, one hundred seventy-two billion, two hundred four million, seven hundred forty-seven thousand, two hundred eighty-five".