86761511758 has 16 divisors (see below), whose sum is σ = 131444151264. Its totient is φ = 42948790560.

The previous prime is 86761511747. The next prime is 86761511761. The reversal of 86761511758 is 85711516768.

It is a junction number, because it is equal to n+sod(n) for n = 86761511699 and 86761511708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411778 + ... + 585733.

It is an arithmetic number, because the mean of its divisors is an integer number (8215259454).

Almost surely, 2^86761511758 is an apocalyptic number.

86761511758 is a deficient number, since it is larger than the sum of its proper divisors (44682639506).

86761511758 is a wasteful number, since it uses less digits than its factorization.

86761511758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997947.

The product of its digits is 2822400, while the sum is 55.

The spelling of 86761511758 in words is "eighty-six billion, seven hundred sixty-one million, five hundred eleven thousand, seven hundred fifty-eight".