8255977 has 2 divisors, whose sum is σ = 8255978. Its totient is φ = 8255976.

The previous prime is 8255963. The next prime is 8255983. The reversal of 8255977 is 7795528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7080921 + 1175056 = 2661^2 + 1084^2 .

It is a cyclic number.

It is not a de Polignac number, because 8255977 - 2¹¹ = 8253929 is a prime.

It is a super-2 number, since 2×8255977² = 136322312449058, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8255917) 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, 4127988 + 4127989.

It is an arithmetic number, because the mean of its divisors is an integer number (4127989).

Almost surely, 2^8255977 is an apocalyptic number.

It is an amenable number.

8255977 is a deficient number, since it is larger than the sum of its proper divisors (1).

8255977 is an equidigital number, since it uses as much as digits as its factorization.

8255977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176400, while the sum is 43.

The square root of 8255977 is about 2873.3215970371. The cubic root of 8255977 is about 202.1107862044.

The spelling of 8255977 in words is "eight million, two hundred fifty-five thousand, nine hundred seventy-seven".