86921733 has 8 divisors (see below), whose sum is σ = 116040096. Its totient is φ = 57875600.

The previous prime is 86921707. The next prime is 86921741. The reversal of 86921733 is 33712968.

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 86921733 - 2¹⁶ = 86856197 is a prime.

It is a super-3 number, since 3×86921733³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86921691 and 86921700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86921773) 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 7 ways as a sum of consecutive naturals, for example, 15183 + ... + 20108.

It is an arithmetic number, because the mean of its divisors is an integer number (14505012).

Almost surely, 2^86921733 is an apocalyptic number.

It is an amenable number.

86921733 is a deficient number, since it is larger than the sum of its proper divisors (29118363).

86921733 is a wasteful number, since it uses less digits than its factorization.

86921733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36115.

The product of its digits is 54432, while the sum is 39.

The square root of 86921733 is about 9323.1825574747. The cubic root of 86921733 is about 442.9718468997.

The spelling of 86921733 in words is "eighty-six million, nine hundred twenty-one thousand, seven hundred thirty-three".