86044681 has 4 divisors (see below), whose sum is σ = 86321664. Its totient is φ = 85767700.

The previous prime is 86044661. The next prime is 86044697. The reversal of 86044681 is 18644068.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86044681 - 2¹¹ = 86042633 is a prime.

It is a super-2 number, since 2×86044681² = 14807374256783522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86044681.

It is not an unprimeable number, because it can be changed into a prime (86044661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138025 + ... + 138646.

It is an arithmetic number, because the mean of its divisors is an integer number (21580416).

Almost surely, 2^86044681 is an apocalyptic number.

It is an amenable number.

86044681 is a deficient number, since it is larger than the sum of its proper divisors (276983).

86044681 is a wasteful number, since it uses less digits than its factorization.

86044681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276982.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 86044681 is about 9276.0272207449. The cubic root of 86044681 is about 441.4769257055.

The spelling of 86044681 in words is "eighty-six million, forty-four thousand, six hundred eighty-one".