86916860087 has 4 divisors (see below), whose sum is σ = 88107502080. Its totient is φ = 85726218096.

The previous prime is 86916860053. The next prime is 86916860131. The reversal of 86916860087 is 78006861968.

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 86916860087 - 2¹⁴ = 86916843703 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 (86916860027) 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, 595320887 + ... + 595321032.

It is an arithmetic number, because the mean of its divisors is an integer number (22026875520).

Almost surely, 2^86916860087 is an apocalyptic number.

86916860087 is a deficient number, since it is larger than the sum of its proper divisors (1190641993).

86916860087 is a wasteful number, since it uses less digits than its factorization.

86916860087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190641992.

The product of its (nonzero) digits is 6967296, while the sum is 59.

The spelling of 86916860087 in words is "eighty-six billion, nine hundred sixteen million, eight hundred sixty thousand, eighty-seven".