86208136587 has 12 divisors (see below), whose sum is σ = 124526025624. Its totient is φ = 57470631840.

The previous prime is 86208136579. The next prime is 86208136621. The reversal of 86208136587 is 78563180268.

86208136587 is a `hidden beast` number, since 8 + 6 + 20 + 8 + 1 + 36 + 587 = 666.

It is not a de Polignac number, because 86208136587 - 2³ = 86208136579 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (86208136577) 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 11 ways as a sum of consecutive naturals, for example, 348012 + ... + 541782.

It is an arithmetic number, because the mean of its divisors is an integer number (10377168802).

Almost surely, 2^86208136587 is an apocalyptic number.

86208136587 is a deficient number, since it is larger than the sum of its proper divisors (38317889037).

86208136587 is a wasteful number, since it uses less digits than its factorization.

86208136587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243210 (or 243207 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 86208136587 in words is "eighty-six billion, two hundred eight million, one hundred thirty-six thousand, five hundred eighty-seven".