86274520289 has 4 divisors (see below), whose sum is σ = 86845874880. Its totient is φ = 85703165700.

The previous prime is 86274520279. The next prime is 86274520307. The reversal of 86274520289 is 98202547268.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86274520289 - 2⁴ = 86274520273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 86274520289.

It is not an unprimeable number, because it can be changed into a prime (86274520279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285677069 + ... + 285677370.

It is an arithmetic number, because the mean of its divisors is an integer number (21711468720).

Almost surely, 2^86274520289 is an apocalyptic number.

It is an amenable number.

86274520289 is a deficient number, since it is larger than the sum of its proper divisors (571354591).

86274520289 is a wasteful number, since it uses less digits than its factorization.

86274520289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571354590.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 86274520289 in words is "eighty-six billion, two hundred seventy-four million, five hundred twenty thousand, two hundred eighty-nine".