797876465537 has 2 divisors, whose sum is σ = 797876465538. Its totient is φ = 797876465536.

The previous prime is 797876465471. The next prime is 797876465557. The reversal of 797876465537 is 735564678797.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 671914647616 + 125961817921 = 819704^2 + 354911^2 .

It is a cyclic number.

It is not a de Polignac number, because 797876465537 - 2¹⁸ = 797876203393 is a prime.

It is not a weakly prime, because it can be changed into another prime (797876465557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398938232768 + 398938232769.

It is an arithmetic number, because the mean of its divisors is an integer number (398938232769).

Almost surely, 2^797876465537 is an apocalyptic number.

It is an amenable number.

797876465537 is a deficient number, since it is larger than the sum of its proper divisors (1).

797876465537 is an equidigital number, since it uses as much as digits as its factorization.

797876465537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1867017600, while the sum is 74.

The spelling of 797876465537 in words is "seven hundred ninety-seven billion, eight hundred seventy-six million, four hundred sixty-five thousand, five hundred thirty-seven".