86547983 has 8 divisors (see below), whose sum is σ = 91188720. Its totient is φ = 81915840.

The previous prime is 86547973. The next prime is 86548019. The reversal of 86547983 is 38974568.

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

It is not a de Polignac number, because 86547983 - 2¹² = 86543887 is a prime.

It is a super-3 number, since 3×86547983³ (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 (86547953) 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, 36803 + ... + 39083.

It is an arithmetic number, because the mean of its divisors is an integer number (11398590).

Almost surely, 2^86547983 is an apocalyptic number.

86547983 is a deficient number, since it is larger than the sum of its proper divisors (4640737).

86547983 is a wasteful number, since it uses less digits than its factorization.

86547983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4297.

The product of its digits is 1451520, while the sum is 50.

The square root of 86547983 is about 9303.1168432950. The cubic root of 86547983 is about 442.3360312615.

The spelling of 86547983 in words is "eighty-six million, five hundred forty-seven thousand, nine hundred eighty-three".