64341877 has 2 divisors, whose sum is σ = 64341878. Its totient is φ = 64341876.

The previous prime is 64341869. The next prime is 64341881. The reversal of 64341877 is 77814346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58767556 + 5574321 = 7666^2 + 2361^2 .

It is a cyclic number.

It is not a de Polignac number, because 64341877 - 2³ = 64341869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64341817) 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, 32170938 + 32170939.

It is an arithmetic number, because the mean of its divisors is an integer number (32170939).

Almost surely, 2^64341877 is an apocalyptic number.

It is an amenable number.

64341877 is a deficient number, since it is larger than the sum of its proper divisors (1).

64341877 is an equidigital number, since it uses as much as digits as its factorization.

64341877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 40.

The square root of 64341877 is about 8021.3388533337. The cubic root of 64341877 is about 400.7109792724.

The spelling of 64341877 in words is "sixty-four million, three hundred forty-one thousand, eight hundred seventy-seven".