86542174750787 has 64 divisors (see below), whose sum is σ = 113891919667200. Its totient is φ = 63950699888640.

The previous prime is 86542174750777. The next prime is 86542174750793. The reversal of 86542174750787 is 78705747124568.

It is a cyclic number.

It is not a de Polignac number, because 86542174750787 - 2⁴ = 86542174750771 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86542174750787.

It is not an unprimeable number, because it can be changed into a prime (86542174750777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78585923 + ... + 79679555.

It is an arithmetic number, because the mean of its divisors is an integer number (1779561244800).

Almost surely, 2^{86542174750787} is an apocalyptic number.

86542174750787 is a deficient number, since it is larger than the sum of its proper divisors (27349744916413).

86542174750787 is a wasteful number, since it uses less digits than its factorization.

86542174750787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094836.

The product of its (nonzero) digits is 737587200, while the sum is 71.

The spelling of 86542174750787 in words is "eighty-six trillion, five hundred forty-two billion, one hundred seventy-four million, seven hundred fifty thousand, seven hundred eighty-seven".