947560085 has 4 divisors (see below), whose sum is σ = 1137072108. Its totient is φ = 758048064.

The previous prime is 947560079. The next prime is 947560109. The reversal of 947560085 is 580065749.

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 336135556 + 611424529 = 18334^2 + 24727^2 .

It is a cyclic number.

It is not a de Polignac number, because 947560085 - 2⁶ = 947560021 is a prime.

It is a super-2 number, since 2×947560085² = 1795740229370414450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94756004 + ... + 94756013.

It is an arithmetic number, because the mean of its divisors is an integer number (284268027).

Almost surely, 2^947560085 is an apocalyptic number.

It is an amenable number.

947560085 is a deficient number, since it is larger than the sum of its proper divisors (189512023).

947560085 is a wasteful number, since it uses less digits than its factorization.

947560085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189512022.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 947560085 is about 30782.4639202257. The cubic root of 947560085 is about 982.2052535867.

The spelling of 947560085 in words is "nine hundred forty-seven million, five hundred sixty thousand, eighty-five".