1797926983555 has 8 divisors (see below), whose sum is σ = 2157530061744. Its totient is φ = 1438329799200.

The previous prime is 1797926983507. The next prime is 1797926983631. The reversal of 1797926983555 is 5553896297971.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1797926983555 - 2⁹ = 1797926983043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771981 + ... + 2047390.

It is an arithmetic number, because the mean of its divisors is an integer number (269691257718).

Almost surely, 2^{1797926983555} is an apocalyptic number.

1797926983555 is a deficient number, since it is larger than the sum of its proper divisors (359603078189).

1797926983555 is a wasteful number, since it uses less digits than its factorization.

1797926983555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946917.

The product of its digits is 1285956000, while the sum is 76.

The spelling of 1797926983555 in words is "one trillion, seven hundred ninety-seven billion, nine hundred twenty-six million, nine hundred eighty-three thousand, five hundred fifty-five".