84842681 has 16 divisors (see below), whose sum is σ = 106552320. Its totient is φ = 65627280.

The previous prime is 84842669. The next prime is 84842689. The reversal of 84842681 is 18624848.

It is a cyclic number.

It is not a de Polignac number, because 84842681 - 2²² = 80648377 is a prime.

It is a super-2 number, since 2×84842681² = 14396561038535522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84842689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6740 + ... + 14666.

It is an arithmetic number, because the mean of its divisors is an integer number (6659520).

Almost surely, 2^84842681 is an apocalyptic number.

It is an amenable number.

84842681 is a deficient number, since it is larger than the sum of its proper divisors (21709639).

84842681 is a wasteful number, since it uses less digits than its factorization.

84842681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8084.

The product of its digits is 98304, while the sum is 41.

The square root of 84842681 is about 9211.0086852635. The cubic root of 84842681 is about 439.4115428923.

The spelling of 84842681 in words is "eighty-four million, eight hundred forty-two thousand, six hundred eighty-one".