86605863061487 has 32 divisors (see below), whose sum is σ = 109807859865600. Its totient is φ = 66340297432800.

The previous prime is 86605863061381. The next prime is 86605863061519. The reversal of 86605863061487 is 78416036850668.

It is a cyclic number.

It is not a de Polignac number, because 86605863061487 - 2¹⁸ = 86605862799343 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 (86605863061687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 526810412 + ... + 526974782.

It is an arithmetic number, because the mean of its divisors is an integer number (3431495620800).

Almost surely, 2^{86605863061487} is an apocalyptic number.

86605863061487 is a deficient number, since it is larger than the sum of its proper divisors (23201996804113).

86605863061487 is a wasteful number, since it uses less digits than its factorization.

86605863061487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280427.

The product of its (nonzero) digits is 278691840, while the sum is 68.

The spelling of 86605863061487 in words is "eighty-six trillion, six hundred five billion, eight hundred sixty-three million, sixty-one thousand, four hundred eighty-seven".