86072681 has 8 divisors (see below), whose sum is σ = 88128000. Its totient is φ = 84037360.

The previous prime is 86072677. The next prime is 86072711. The reversal of 86072681 is 18627068.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86072681 - 2² = 86072677 is a prime.

It is a super-2 number, since 2×86072681² = 14817012829055522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86072611) 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 7 ways as a sum of consecutive naturals, for example, 3896 + ... + 13686.

It is an arithmetic number, because the mean of its divisors is an integer number (11016000).

Almost surely, 2^86072681 is an apocalyptic number.

It is an amenable number.

86072681 is a deficient number, since it is larger than the sum of its proper divisors (2055319).

86072681 is a wasteful number, since it uses less digits than its factorization.

86072681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9999.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 86072681 is about 9277.5363647900. The cubic root of 86072681 is about 441.5248078569.

The spelling of 86072681 in words is "eighty-six million, seventy-two thousand, six hundred eighty-one".