1975556800797 has 16 divisors (see below), whose sum is σ = 2670303378240. Its totient is φ = 1299031546752.

The previous prime is 1975556800757. The next prime is 1975556800801. The reversal of 1975556800797 is 7970086555791.

It is not a de Polignac number, because 1975556800797 - 2¹¹ = 1975556798749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1975556800727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13364008 + ... + 13511025.

It is an arithmetic number, because the mean of its divisors is an integer number (166893961140).

Almost surely, 2^{1975556800797} is an apocalyptic number.

It is an amenable number.

1975556800797 is a deficient number, since it is larger than the sum of its proper divisors (694746577443).

1975556800797 is a wasteful number, since it uses less digits than its factorization.

1975556800797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26875372.

The product of its (nonzero) digits is 166698000, while the sum is 69.

The spelling of 1975556800797 in words is "one trillion, nine hundred seventy-five billion, five hundred fifty-six million, eight hundred thousand, seven hundred ninety-seven".