18577119385 has 8 divisors (see below), whose sum is σ = 24319138176. Its totient is φ = 13510632240.

The previous prime is 18577119383. The next prime is 18577119397. The reversal of 18577119385 is 58391177581.

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

It is not a de Polignac number, because 18577119385 - 2¹ = 18577119383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55), and also a Moran number because the ratio is a prime number: 337765807 = 18577119385 / (1 + 8 + 5 + 7 + 7 + 1 + 1 + 9 + 3 + 8 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18577119383) 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, 168882849 + ... + 168882958.

It is an arithmetic number, because the mean of its divisors is an integer number (3039892272).

Almost surely, 2^18577119385 is an apocalyptic number.

It is an amenable number.

18577119385 is a deficient number, since it is larger than the sum of its proper divisors (5742018791).

18577119385 is a wasteful number, since it uses less digits than its factorization.

18577119385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337765823.

The product of its digits is 2116800, while the sum is 55.

The spelling of 18577119385 in words is "eighteen billion, five hundred seventy-seven million, one hundred nineteen thousand, three hundred eighty-five".