18877973067 has 12 divisors (see below), whose sum is σ = 27271850424. Its totient is φ = 12583622880.

The previous prime is 18877972909. The next prime is 18877973077. The reversal of 18877973067 is 76037977881.

It is not a de Polignac number, because 18877973067 - 2²⁴ = 18861195851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18877972995 and 18877973013.

It is not an unprimeable number, because it can be changed into a prime (18877973077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68434 + ... + 206007.

It is an arithmetic number, because the mean of its divisors is an integer number (2272654202).

Almost surely, 2^18877973067 is an apocalyptic number.

18877973067 is a deficient number, since it is larger than the sum of its proper divisors (8393877357).

18877973067 is a wasteful number, since it uses less digits than its factorization.

18877973067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282090 (or 282087 counting only the distinct ones).

The product of its (nonzero) digits is 24893568, while the sum is 63.

The spelling of 18877973067 in words is "eighteen billion, eight hundred seventy-seven million, nine hundred seventy-three thousand, sixty-seven".