84560971 has 12 divisors (see below), whose sum is σ = 93179800. Its totient is φ = 76681440.

The previous prime is 84560969. The next prime is 84560989. The reversal of 84560971 is 17906548.

It is not a de Polignac number, because 84560971 - 2¹ = 84560969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84560171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74335 + ... + 75463.

Almost surely, 2^84560971 is an apocalyptic number.

84560971 is a deficient number, since it is larger than the sum of its proper divisors (8618829).

84560971 is a wasteful number, since it uses less digits than its factorization.

84560971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770 (or 1759 counting only the distinct ones).

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

The square root of 84560971 is about 9195.7039426028. The cubic root of 84560971 is about 438.9246657536.

It can be divided in two parts, 845 and 60971, that added together give a palindrome (61816).

The spelling of 84560971 in words is "eighty-four million, five hundred sixty thousand, nine hundred seventy-one".