18853247086 has 8 divisors (see below), whose sum is σ = 28380511584. Its totient is φ = 9393076560.

The previous prime is 18853247057. The next prime is 18853247087. The reversal of 18853247086 is 68074235881.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18853247087) 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, 16772790 + ... + 16773913.

It is an arithmetic number, because the mean of its divisors is an integer number (3547563948).

Almost surely, 2^18853247086 is an apocalyptic number.

18853247086 is a deficient number, since it is larger than the sum of its proper divisors (9527264498).

18853247086 is a wasteful number, since it uses less digits than its factorization.

18853247086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33546986.

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 18853247086 in words is "eighteen billion, eight hundred fifty-three million, two hundred forty-seven thousand, eighty-six".