64536877 has 2 divisors, whose sum is σ = 64536878. Its totient is φ = 64536876.

The previous prime is 64536809. The next prime is 64536887. The reversal of 64536877 is 77863546.

64536877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60512841 + 4024036 = 7779^2 + 2006^2 .

It is a cyclic number.

It is not a de Polignac number, because 64536877 - 2²³ = 56148269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64536887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32268438 + 32268439.

It is an arithmetic number, because the mean of its divisors is an integer number (32268439).

Almost surely, 2^64536877 is an apocalyptic number.

It is an amenable number.

64536877 is a deficient number, since it is larger than the sum of its proper divisors (1).

64536877 is an equidigital number, since it uses as much as digits as its factorization.

64536877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 46.

The square root of 64536877 is about 8033.4847357794. The cubic root of 64536877 is about 401.1153806740.

The spelling of 64536877 in words is "sixty-four million, five hundred thirty-six thousand, eight hundred seventy-seven".