18227577085846 has 4 divisors (see below), whose sum is σ = 27341365628772. Its totient is φ = 9113788542922.

The previous prime is 18227577085843. The next prime is 18227577085853. The reversal of 18227577085846 is 64858077572281.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18227577085843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4556894271460 + ... + 4556894271463.

It is an arithmetic number, because the mean of its divisors is an integer number (6835341407193).

Almost surely, 2^{18227577085846} is an apocalyptic number.

18227577085846 is a deficient number, since it is larger than the sum of its proper divisors (9113788542926).

18227577085846 is an equidigital number, since it uses as much as digits as its factorization.

18227577085846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9113788542925.

The product of its (nonzero) digits is 421478400, while the sum is 70.

The spelling of 18227577085846 in words is "eighteen trillion, two hundred twenty-seven billion, five hundred seventy-seven million, eighty-five thousand, eight hundred forty-six".