577853867893 has 2 divisors, whose sum is σ = 577853867894. Its totient is φ = 577853867892.

The previous prime is 577853867809. The next prime is 577853867923. The reversal of 577853867893 is 398768358775.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 577853867889 + 4 = 760167^2 + 2^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-577853867893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (577853867803) 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, 288926933946 + 288926933947.

It is an arithmetic number, because the mean of its divisors is an integer number (288926933947).

Almost surely, 2^577853867893 is an apocalyptic number.

It is an amenable number.

577853867893 is a deficient number, since it is larger than the sum of its proper divisors (1).

577853867893 is an equidigital number, since it uses as much as digits as its factorization.

577853867893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2133734400, while the sum is 76.

The spelling of 577853867893 in words is "five hundred seventy-seven billion, eight hundred fifty-three million, eight hundred sixty-seven thousand, eight hundred ninety-three".