86650943 has 4 divisors (see below), whose sum is σ = 86839368. Its totient is φ = 86462520.

The previous prime is 86650937. The next prime is 86650951. The reversal of 86650943 is 34905668.

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 86650943 - 2¹⁰ = 86649919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86650943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86650903) 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 3 ways as a sum of consecutive naturals, for example, 93521 + ... + 94442.

It is an arithmetic number, because the mean of its divisors is an integer number (21709842).

Almost surely, 2^86650943 is an apocalyptic number.

86650943 is a deficient number, since it is larger than the sum of its proper divisors (188425).

86650943 is a wasteful number, since it uses less digits than its factorization.

86650943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188424.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 86650943 is about 9308.6488278375. The cubic root of 86650943 is about 442.5113670248.

The spelling of 86650943 in words is "eighty-six million, six hundred fifty thousand, nine hundred forty-three".