472585517173781 has 8 divisors (see below), whose sum is σ = 517382526731328. Its totient is φ = 428094289252000.

The previous prime is 472585517173753. The next prime is 472585517173817. The reversal of 472585517173781 is 187371715585274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 472585517173781 - 2⁶ = 472585517173717 is a prime.

It is a super-2 number, since 2×472585517173781² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472585517173741) 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, 76445405705 + ... + 76445411886.

It is an arithmetic number, because the mean of its divisors is an integer number (64672815841416).

Almost surely, 2^{472585517173781} is an apocalyptic number.

It is an amenable number.

472585517173781 is a deficient number, since it is larger than the sum of its proper divisors (44797009557547).

472585517173781 is a wasteful number, since it uses less digits than its factorization.

472585517173781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152890817883.

The product of its digits is 460992000, while the sum is 71.

The spelling of 472585517173781 in words is "four hundred seventy-two trillion, five hundred eighty-five billion, five hundred seventeen million, one hundred seventy-three thousand, seven hundred eighty-one".