1827770311692 has 216 divisors, whose sum is σ = 5092112241216. Its totient is φ = 549516335616.

The previous prime is 1827770311643. The next prime is 1827770311699. The reversal of 1827770311692 is 2961130777281.

It is not an unprimeable number, because it can be changed into a prime (1827770311699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 885975853 + ... + 885977915.

Almost surely, 2^{1827770311692} is an apocalyptic number.

1827770311692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1827770311692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2546056120608).

1827770311692 is an abundant number, since it is smaller than the sum of its proper divisors (3264341929524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1827770311692 is a wasteful number, since it uses less digits than its factorization.

1827770311692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037 (or 2985 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 54.

The spelling of 1827770311692 in words is "one trillion, eight hundred twenty-seven billion, seven hundred seventy million, three hundred eleven thousand, six hundred ninety-two".