64077118877 has 2 divisors, whose sum is σ = 64077118878. Its totient is φ = 64077118876.

The previous prime is 64077118789. The next prime is 64077118901. The reversal of 64077118877 is 77881177046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60073519801 + 4003599076 = 245099^2 + 63274^2 .

It is a cyclic number.

It is not a de Polignac number, because 64077118877 - 2⁸ = 64077118621 is a prime.

It is a super-2 number, since 2×64077118877² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64077112877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32038559438 + 32038559439.

It is an arithmetic number, because the mean of its divisors is an integer number (32038559439).

Almost surely, 2^64077118877 is an apocalyptic number.

It is an amenable number.

64077118877 is a deficient number, since it is larger than the sum of its proper divisors (1).

64077118877 is an equidigital number, since it uses as much as digits as its factorization.

64077118877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3687936, while the sum is 56.

The spelling of 64077118877 in words is "sixty-four billion, seventy-seven million, one hundred eighteen thousand, eight hundred seventy-seven".