1797010000 has 100 divisors (see below), whose sum is σ = 4413762144. Its totient is φ = 708400000.

The previous prime is 1797009989. The next prime is 1797010021. The reversal of 1797010000 is 107971.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 708735 + ... + 711265.

Almost surely, 2^1797010000 is an apocalyptic number.

1797010000 is a gapful number since it is divisible by the number (10) 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 1797010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2206881072).

1797010000 is an abundant number, since it is smaller than the sum of its proper divisors (2616752144).

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

1797010000 is an equidigital number, since it uses as much as digits as its factorization.

1797010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630 (or 2609 counting only the distinct ones).

The product of its (nonzero) digits is 441, while the sum is 25.

The square root of 1797010000 is about 42391.1547377516. The cubic root of 1797010000 is about 1215.7664782700.

Adding to 1797010000 its reverse (107971), we get a palindrome (1797117971).

The spelling of 1797010000 in words is "one billion, seven hundred ninety-seven million, ten thousand".