1797199776 has 36 divisors (see below), whose sum is σ = 5110787682. Its totient is φ = 599066496.

The previous prime is 1797199709. The next prime is 1797199777. The reversal of 1797199776 is 6779917971.

1797199776 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1659747600 + 137452176 = 40740^2 + 11724^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1797199777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3119851 + ... + 3120426.

Almost surely, 2^1797199776 is an apocalyptic number.

1797199776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1797199776 is an abundant number, since it is smaller than the sum of its proper divisors (3313587906).

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

1797199776 is a wasteful number, since it uses less digits than its factorization.

1797199776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6240293 (or 6240282 counting only the distinct ones).

The product of its digits is 10501974, while the sum is 63.

The square root of 1797199776 is about 42393.3930701471. The cubic root of 1797199776 is about 1215.8092743920.

The spelling of 1797199776 in words is "one billion, seven hundred ninety-seven million, one hundred ninety-nine thousand, seven hundred seventy-six".