11677343657 has 4 divisors (see below), whose sum is σ = 13345535616. Its totient is φ = 10009151700.

The previous prime is 11677343651. The next prime is 11677343663. The reversal of 11677343657 is 75634377611.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (11677343651) and next prime (11677343663).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11677343657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11677343651) 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, 834095969 + ... + 834095982.

It is an arithmetic number, because the mean of its divisors is an integer number (3336383904).

Almost surely, 2^11677343657 is an apocalyptic number.

It is an amenable number.

11677343657 is a deficient number, since it is larger than the sum of its proper divisors (1668191959).

11677343657 is an equidigital number, since it uses as much as digits as its factorization.

11677343657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668191958.

The product of its digits is 2222640, while the sum is 50.

The spelling of 11677343657 in words is "eleven billion, six hundred seventy-seven million, three hundred forty-three thousand, six hundred fifty-seven".