18827008575 has 24 divisors (see below), whose sum is σ = 31145621136. Its totient is φ = 10035168000.

The previous prime is 18827008559. The next prime is 18827008579. The reversal of 18827008575 is 57580072881.

It is not a de Polignac number, because 18827008575 - 2⁴ = 18827008559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18827008579) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56145 + ... + 202005.

It is an arithmetic number, because the mean of its divisors is an integer number (1297734214).

Almost surely, 2^18827008575 is an apocalyptic number.

18827008575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18827008575 is a deficient number, since it is larger than the sum of its proper divisors (12318612561).

18827008575 is a wasteful number, since it uses less digits than its factorization.

18827008575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147595 (or 147590 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 51.

The spelling of 18827008575 in words is "eighteen billion, eight hundred twenty-seven million, eight thousand, five hundred seventy-five".