86759426497 has 4 divisors (see below), whose sum is σ = 86779481536. Its totient is φ = 86739371460.

The previous prime is 86759426477. The next prime is 86759426503. The reversal of 86759426497 is 79462495768.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86759426497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86759426417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10021029 + ... + 10029682.

It is an arithmetic number, because the mean of its divisors is an integer number (21694870384).

Almost surely, 2^86759426497 is an apocalyptic number.

It is an amenable number.

86759426497 is a deficient number, since it is larger than the sum of its proper divisors (20055039).

86759426497 is a wasteful number, since it uses less digits than its factorization.

86759426497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20055038.

The product of its digits is 182891520, while the sum is 67.

The spelling of 86759426497 in words is "eighty-six billion, seven hundred fifty-nine million, four hundred twenty-six thousand, four hundred ninety-seven".