86058721 has 4 divisors (see below), whose sum is σ = 98352832. Its totient is φ = 73764612.

The previous prime is 86058719. The next prime is 86058761. The reversal of 86058721 is 12785068.

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 86058721 - 2¹ = 86058719 is a prime.

It is a super-2 number, since 2×86058721² = 14812206920311682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86058761) 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 3 ways as a sum of consecutive naturals, for example, 6147045 + ... + 6147058.

It is an arithmetic number, because the mean of its divisors is an integer number (24588208).

Almost surely, 2^86058721 is an apocalyptic number.

It is an amenable number.

86058721 is a deficient number, since it is larger than the sum of its proper divisors (12294111).

86058721 is a wasteful number, since it uses less digits than its factorization.

86058721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12294110.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 86058721 is about 9276.7839793756. The cubic root of 86058721 is about 441.5009364825.

The spelling of 86058721 in words is "eighty-six million, fifty-eight thousand, seven hundred twenty-one".