86374604881 has 4 divisors (see below), whose sum is σ = 86574084772. Its totient is φ = 86175124992.

The previous prime is 86374604843. The next prime is 86374604893. The reversal of 86374604881 is 18840647368.

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 5931464256 + 80443140625 = 77016^2 + 283625^2 .

It is a cyclic number.

It is not a de Polignac number, because 86374604881 - 2¹³ = 86374596689 is a prime.

It is a super-2 number, since 2×86374604881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86374004881) 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, 99739296 + ... + 99740161.

It is an arithmetic number, because the mean of its divisors is an integer number (21643521193).

Almost surely, 2^86374604881 is an apocalyptic number.

It is an amenable number.

86374604881 is a deficient number, since it is larger than the sum of its proper divisors (199479891).

86374604881 is a wasteful number, since it uses less digits than its factorization.

86374604881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199479890.

The product of its (nonzero) digits is 6193152, while the sum is 55.

The spelling of 86374604881 in words is "eighty-six billion, three hundred seventy-four million, six hundred four thousand, eight hundred eighty-one".