47169085 has 4 divisors (see below), whose sum is σ = 56602908. Its totient is φ = 37735264.

The previous prime is 47169053. The next prime is 47169107. The reversal of 47169085 is 58096174.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29713401 + 17455684 = 5451^2 + 4178^2 .

It is a cyclic number.

It is not a de Polignac number, because 47169085 - 2⁵ = 47169053 is a prime.

It is a super-3 number, since 3×47169085³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4716904 + ... + 4716913.

It is an arithmetic number, because the mean of its divisors is an integer number (14150727).

Almost surely, 2^47169085 is an apocalyptic number.

It is an amenable number.

47169085 is a deficient number, since it is larger than the sum of its proper divisors (9433823).

47169085 is an equidigital number, since it uses as much as digits as its factorization.

47169085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9433822.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 47169085 is about 6867.9753202818. The cubic root of 47169085 is about 361.3148548766.

The spelling of 47169085 in words is "forty-seven million, one hundred sixty-nine thousand, eighty-five".