86286050645 has 4 divisors (see below), whose sum is σ = 103543260780. Its totient is φ = 69028840512.

The previous prime is 86286050621. The next prime is 86286050647. The reversal of 86286050645 is 54605068268.

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 16443189361 + 69842861284 = 128231^2 + 264278^2 .

It is a cyclic number.

It is not a de Polignac number, because 86286050645 - 2⁶ = 86286050581 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 86286050593 and 86286050602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86286050647) 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, 8628605060 + ... + 8628605069.

It is an arithmetic number, because the mean of its divisors is an integer number (25885815195).

Almost surely, 2^86286050645 is an apocalyptic number.

It is an amenable number.

86286050645 is a deficient number, since it is larger than the sum of its proper divisors (17257210135).

86286050645 is a wasteful number, since it uses less digits than its factorization.

86286050645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17257210134.

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 86286050645 in words is "eighty-six billion, two hundred eighty-six million, fifty thousand, six hundred forty-five".