18470008127 has 4 divisors (see below), whose sum is σ = 18471899376. Its totient is φ = 18468116880.

The previous prime is 18470008111. The next prime is 18470008153. The reversal of 18470008127 is 72180007481.

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 18470008127 - 2⁴ = 18470008111 is a prime.

It is a super-2 number, since 2×18470008127² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18470008187) 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, 930899 + ... + 950532.

It is an arithmetic number, because the mean of its divisors is an integer number (4617974844).

Almost surely, 2^18470008127 is an apocalyptic number.

18470008127 is a deficient number, since it is larger than the sum of its proper divisors (1891249).

18470008127 is an equidigital number, since it uses as much as digits as its factorization.

18470008127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891248.

The product of its (nonzero) digits is 25088, while the sum is 38.

The spelling of 18470008127 in words is "eighteen billion, four hundred seventy million, eight thousand, one hundred twenty-seven".