86020666441 has 4 divisors (see below), whose sum is σ = 86597986500. Its totient is φ = 85443346384.

The previous prime is 86020666429. The next prime is 86020666463. The reversal of 86020666441 is 14466602068.

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 4050686025 + 81969980416 = 63645^2 + 286304^2 .

It is a cyclic number.

It is not a de Polignac number, because 86020666441 - 2¹³ = 86020658249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86020666141) 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, 288659806 + ... + 288660103.

It is an arithmetic number, because the mean of its divisors is an integer number (21649496625).

Almost surely, 2^86020666441 is an apocalyptic number.

It is an amenable number.

86020666441 is a deficient number, since it is larger than the sum of its proper divisors (577320059).

86020666441 is a wasteful number, since it uses less digits than its factorization.

86020666441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577320058.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 86020666441 in words is "eighty-six billion, twenty million, six hundred sixty-six thousand, four hundred forty-one".