11678342479 has 4 divisors (see below), whose sum is σ = 11752726984. Its totient is φ = 11603957976.

The previous prime is 11678342411. The next prime is 11678342497. The reversal of 11678342479 is 97424387611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11678342479 - 2²⁵ = 11644788047 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 (11678342779) 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, 37192017 + ... + 37192330.

It is an arithmetic number, because the mean of its divisors is an integer number (2938181746).

Almost surely, 2^11678342479 is an apocalyptic number.

11678342479 is a deficient number, since it is larger than the sum of its proper divisors (74384505).

11678342479 is an equidigital number, since it uses as much as digits as its factorization.

11678342479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74384504.

The product of its digits is 2032128, while the sum is 52.

The spelling of 11678342479 in words is "eleven billion, six hundred seventy-eight million, three hundred forty-two thousand, four hundred seventy-nine".