118646886479 has 4 divisors (see below), whose sum is σ = 129432967080. Its totient is φ = 107860805880.

The previous prime is 118646886437. The next prime is 118646886499. The reversal of 118646886479 is 974688646811.

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 118646886479 - 2²⁰ = 118645837903 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 (118646886499) 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, 5393040284 + ... + 5393040305.

It is an arithmetic number, because the mean of its divisors is an integer number (32358241770).

Almost surely, 2^118646886479 is an apocalyptic number.

118646886479 is a deficient number, since it is larger than the sum of its proper divisors (10786080601).

118646886479 is a wasteful number, since it uses less digits than its factorization.

118646886479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10786080600.

The product of its digits is 111476736, while the sum is 68.

The spelling of 118646886479 in words is "one hundred eighteen billion, six hundred forty-six million, eight hundred eighty-six thousand, four hundred seventy-nine".