86785241 has 4 divisors (see below), whose sum is σ = 86810292. Its totient is φ = 86760192.

The previous prime is 86785229. The next prime is 86785261. The reversal of 86785241 is 14258768.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19545241 + 67240000 = 4421^2 + 8200^2 .

It is a cyclic number.

It is not a de Polignac number, because 86785241 - 2⁶ = 86785177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86785211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6296 + ... + 14601.

It is an arithmetic number, because the mean of its divisors is an integer number (21702573).

Almost surely, 2^86785241 is an apocalyptic number.

It is an amenable number.

86785241 is a deficient number, since it is larger than the sum of its proper divisors (25051).

86785241 is a wasteful number, since it uses less digits than its factorization.

86785241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25050.

The product of its digits is 107520, while the sum is 41.

The square root of 86785241 is about 9315.8596490072. The cubic root of 86785241 is about 442.7398612329.

The spelling of 86785241 in words is "eighty-six million, seven hundred eighty-five thousand, two hundred forty-one".