86016939 has 4 divisors (see below), whose sum is σ = 114689256. Its totient is φ = 57344624.

The previous prime is 86016937. The next prime is 86016943. The reversal of 86016939 is 93961068.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86016939 - 2¹ = 86016937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86016939.

It is not an unprimeable number, because it can be changed into a prime (86016937) 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, 14336154 + ... + 14336159.

It is an arithmetic number, because the mean of its divisors is an integer number (28672314).

Almost surely, 2^86016939 is an apocalyptic number.

86016939 is a deficient number, since it is larger than the sum of its proper divisors (28672317).

86016939 is a wasteful number, since it uses less digits than its factorization.

86016939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28672316.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 86016939 is about 9274.5317402012. The cubic root of 86016939 is about 441.4294745084.

The spelling of 86016939 in words is "eighty-six million, sixteen thousand, nine hundred thirty-nine".