86068981 has 4 divisors (see below), whose sum is σ = 86873472. Its totient is φ = 85264492.

The previous prime is 86068951. The next prime is 86068991. The reversal of 86068981 is 18986068.

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 86068981 - 2⁵ = 86068949 is a prime.

It is a super-3 number, since 3×86068981³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86068951) 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, 402085 + ... + 402298.

It is an arithmetic number, because the mean of its divisors is an integer number (21718368).

Almost surely, 2^86068981 is an apocalyptic number.

It is an amenable number.

86068981 is a deficient number, since it is larger than the sum of its proper divisors (804491).

86068981 is a wasteful number, since it uses less digits than its factorization.

86068981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804490.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 86068981 is about 9277.3369562607. The cubic root of 86068981 is about 441.5184811681.

The spelling of 86068981 in words is "eighty-six million, sixty-eight thousand, nine hundred eighty-one".