85841502681 has 64 divisors (see below), whose sum is σ = 134090090496. Its totient is φ = 48317068800.

The previous prime is 85841502671. The next prime is 85841502707. The reversal of 85841502681 is 18620514858.

It is not a de Polignac number, because 85841502681 - 2⁹ = 85841502169 is a prime.

It is a super-2 number, since 2×85841502681² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85841502681.

It is not an unprimeable number, because it can be changed into a prime (85841502611) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14628310 + ... + 14634176.

It is an arithmetic number, because the mean of its divisors is an integer number (2095157664).

Almost surely, 2^85841502681 is an apocalyptic number.

It is an amenable number.

85841502681 is a deficient number, since it is larger than the sum of its proper divisors (48248587815).

85841502681 is a wasteful number, since it uses less digits than its factorization.

85841502681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6462.

The product of its (nonzero) digits is 614400, while the sum is 48.

The spelling of 85841502681 in words is "eighty-five billion, eight hundred forty-one million, five hundred two thousand, six hundred eighty-one".