86355488638677 has 4 divisors (see below), whose sum is σ = 115140651518240. Its totient is φ = 57570325759116.

The previous prime is 86355488638669. The next prime is 86355488638697. The reversal of 86355488638677 is 77683688455368.

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 not a de Polignac number, because 86355488638677 - 2³ = 86355488638669 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 86355488638677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86355488638697) 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, 14392581439777 + ... + 14392581439782.

It is an arithmetic number, because the mean of its divisors is an integer number (28785162879560).

Almost surely, 2^{86355488638677} is an apocalyptic number.

It is an amenable number.

86355488638677 is a deficient number, since it is larger than the sum of its proper divisors (28785162879563).

86355488638677 is a wasteful number, since it uses less digits than its factorization.

86355488638677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28785162879562.

The product of its digits is 39016857600, while the sum is 84.

The spelling of 86355488638677 in words is "eighty-six trillion, three hundred fifty-five billion, four hundred eighty-eight million, six hundred thirty-eight thousand, six hundred seventy-seven".