86147740087 has 4 divisors (see below), whose sum is σ = 86280890256. Its totient is φ = 86014589920.

The previous prime is 86147740079. The next prime is 86147740097. The reversal of 86147740087 is 78004774168.

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

It is a cyclic number.

It is not a de Polignac number, because 86147740087 - 2³ = 86147740079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86147740027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66574114 + ... + 66575407.

It is an arithmetic number, because the mean of its divisors is an integer number (21570222564).

Almost surely, 2^86147740087 is an apocalyptic number.

86147740087 is a deficient number, since it is larger than the sum of its proper divisors (133150169).

86147740087 is a wasteful number, since it uses less digits than its factorization.

86147740087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133150168.

The product of its (nonzero) digits is 2107392, while the sum is 52.

The spelling of 86147740087 in words is "eighty-six billion, one hundred forty-seven million, seven hundred forty thousand, eighty-seven".