86208621 has 8 divisors (see below), whose sum is σ = 115149120. Its totient is φ = 57370272.

The previous prime is 86208607. The next prime is 86208637. The reversal of 86208621 is 12680268.

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

It is not a de Polignac number, because 86208621 - 2¹⁴ = 86192237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86208121) 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, 23545 + ... + 26958.

It is an arithmetic number, because the mean of its divisors is an integer number (14393640).

Almost surely, 2^86208621 is an apocalyptic number.

It is an amenable number.

86208621 is a deficient number, since it is larger than the sum of its proper divisors (28940499).

86208621 is a wasteful number, since it uses less digits than its factorization.

86208621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51075.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 86208621 is about 9284.8597727699. The cubic root of 86208621 is about 441.7571282290.

Adding to 86208621 its reverse (12680268), we get a palindrome (98888889).

The spelling of 86208621 in words is "eighty-six million, two hundred eight thousand, six hundred twenty-one".