2064867877 has 2 divisors, whose sum is σ = 2064867878. Its totient is φ = 2064867876.

The previous prime is 2064867859. The next prime is 2064867929. The reversal of 2064867877 is 7787684602.

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., 1918965636 + 145902241 = 43806^2 + 12079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2064867877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2064867577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032433938 + 1032433939.

It is an arithmetic number, because the mean of its divisors is an integer number (1032433939).

Almost surely, 2^2064867877 is an apocalyptic number.

It is an amenable number.

2064867877 is a deficient number, since it is larger than the sum of its proper divisors (1).

2064867877 is an equidigital number, since it uses as much as digits as its factorization.

2064867877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6322176, while the sum is 55.

The square root of 2064867877 is about 45440.8173011886. The cubic root of 2064867877 is about 1273.3977827924.

The spelling of 2064867877 in words is "two billion, sixty-four million, eight hundred sixty-seven thousand, eight hundred seventy-seven".