18463936877 has 8 divisors (see below), whose sum is σ = 19574671872. Its totient is φ = 17385397200.

The previous prime is 18463936871. The next prime is 18463936889. The reversal of 18463936877 is 77863936481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18463936877 - 2¹⁴ = 18463920493 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 (18463936871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8047649 + ... + 8049942.

It is an arithmetic number, because the mean of its divisors is an integer number (2446833984).

Almost surely, 2^18463936877 is an apocalyptic number.

It is an amenable number.

18463936877 is a deficient number, since it is larger than the sum of its proper divisors (1110734995).

18463936877 is a wasteful number, since it uses less digits than its factorization.

18463936877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16097659.

The product of its digits is 36578304, while the sum is 62.

The spelling of 18463936877 in words is "eighteen billion, four hundred sixty-three million, nine hundred thirty-six thousand, eight hundred seventy-seven".