8345727877 has 4 divisors (see below), whose sum is σ = 8346213856. Its totient is φ = 8345241900.

The previous prime is 8345727857. The next prime is 8345727919. The reversal of 8345727877 is 7787275438.

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 not a de Polignac number, because 8345727877 - 2²⁷ = 8211510149 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 (8345727857) 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, 216249 + ... + 251902.

It is an arithmetic number, because the mean of its divisors is an integer number (2086553464).

Almost surely, 2^8345727877 is an apocalyptic number.

It is an amenable number.

8345727877 is a deficient number, since it is larger than the sum of its proper divisors (485979).

8345727877 is a wasteful number, since it uses less digits than its factorization.

8345727877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485978.

The product of its digits is 18439680, while the sum is 58.

The square root of 8345727877 is about 91354.9554047289. The cubic root of 8345727877 is about 2028.4053155113.

The spelling of 8345727877 in words is "eight billion, three hundred forty-five million, seven hundred twenty-seven thousand, eight hundred seventy-seven".