1800852229977 has 16 divisors (see below), whose sum is σ = 2433532465728. Its totient is φ = 1184411345600.

The previous prime is 1800852229951. The next prime is 1800852229987. The reversal of 1800852229977 is 7799222580081.

It is a cyclic number.

It is not a de Polignac number, because 1800852229977 - 2¹⁴ = 1800852213593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1800852229977.

It is not an unprimeable number, because it can be changed into a prime (1800852229987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4984038 + ... + 5333135.

It is an arithmetic number, because the mean of its divisors is an integer number (152095779108).

Almost surely, 2^{1800852229977} is an apocalyptic number.

It is an amenable number.

1800852229977 is a deficient number, since it is larger than the sum of its proper divisors (632680235751).

1800852229977 is a wasteful number, since it uses less digits than its factorization.

1800852229977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10317960.

The product of its (nonzero) digits is 10160640, while the sum is 60.

The spelling of 1800852229977 in words is "one trillion, eight hundred billion, eight hundred fifty-two million, two hundred twenty-nine thousand, nine hundred seventy-seven".