47186047590172 has 72 divisors (see below), whose sum is σ = 84033602452800. Its totient is φ = 23183439625728.

The previous prime is 47186047590137. The next prime is 47186047590181. The reversal of 47186047590172 is 27109574068174.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 47186047590172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8615306298 + ... + 8615311774.

It is an arithmetic number, because the mean of its divisors is an integer number (1167133367400).

Almost surely, 2^{47186047590172} is an apocalyptic number.

It is an amenable number.

47186047590172 is a deficient number, since it is larger than the sum of its proper divisors (36847554862628).

47186047590172 is a wasteful number, since it uses less digits than its factorization.

47186047590172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7055 (or 6980 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 61.

The spelling of 47186047590172 in words is "forty-seven trillion, one hundred eighty-six billion, forty-seven million, five hundred ninety thousand, one hundred seventy-two".