855300377 has 2 divisors, whose sum is σ = 855300378. Its totient is φ = 855300376.

The previous prime is 855300367. The next prime is 855300419. The reversal of 855300377 is 773003558.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 695429641 + 159870736 = 26371^2 + 12644^2 .

It is a cyclic number.

It is not a de Polignac number, because 855300377 - 2¹⁰ = 855299353 is a prime.

It is equal to p_43839623 and since 855300377 and 43839623 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 855300377.

It is not a weakly prime, because it can be changed into another prime (855300367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427650188 + 427650189.

It is an arithmetic number, because the mean of its divisors is an integer number (427650189).

Almost surely, 2^855300377 is an apocalyptic number.

It is an amenable number.

855300377 is a deficient number, since it is larger than the sum of its proper divisors (1).

855300377 is an equidigital number, since it uses as much as digits as its factorization.

855300377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 855300377 is about 29245.5189217083. The cubic root of 855300377 is about 949.2331307105.

The spelling of 855300377 in words is "eight hundred fifty-five million, three hundred thousand, three hundred seventy-seven".