86507687407 has 4 divisors (see below), whose sum is σ = 86510085256. Its totient is φ = 86505289560.

The previous prime is 86507687393. The next prime is 86507687419. The reversal of 86507687407 is 70478670568.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86507687407 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 (86507687107) 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, 1143969 + ... + 1217242.

It is an arithmetic number, because the mean of its divisors is an integer number (21627521314).

Almost surely, 2^86507687407 is an apocalyptic number.

86507687407 is a deficient number, since it is larger than the sum of its proper divisors (2397849).

86507687407 is a wasteful number, since it uses less digits than its factorization.

86507687407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397848.

The product of its (nonzero) digits is 15805440, while the sum is 58.

The spelling of 86507687407 in words is "eighty-six billion, five hundred seven million, six hundred eighty-seven thousand, four hundred seven".