1797795648 has 392 divisors, whose sum is σ = 6076590336. Its totient is φ = 522547200.

The previous prime is 1797795647. The next prime is 1797795683. The reversal of 1797795648 is 8465977971.

Its product of digits (26671680) is a multiple of the sum of its prime divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1797795647) by changing a digit.

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 55 ways as a sum of consecutive naturals, for example, 15909640 + ... + 15909752.

Almost surely, 2^1797795648 is an apocalyptic number.

1797795648 is a gapful number since it is divisible by the number (18) 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 1797795648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3038295168).

1797795648 is an abundant number, since it is smaller than the sum of its proper divisors (4278794688).

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

1797795648 is a wasteful number, since it uses less digits than its factorization.

1797795648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 160 counting only the distinct ones).

The product of its digits is 26671680, while the sum is 63.

The square root of 1797795648 is about 42400.4203752746. The cubic root of 1797795648 is about 1215.9436290812.

The spelling of 1797795648 in words is "one billion, seven hundred ninety-seven million, seven hundred ninety-five thousand, six hundred forty-eight".