6872575777 has 2 divisors, whose sum is σ = 6872575778. Its totient is φ = 6872575776.

The previous prime is 6872575757. The next prime is 6872575807. The reversal of 6872575777 is 7775752786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6215114896 + 657460881 = 78836^2 + 25641^2 .

It is a cyclic number.

It is not a de Polignac number, because 6872575777 - 2⁷ = 6872575649 is a prime.

It is not a weakly prime, because it can be changed into another prime (6872575757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3436287888 + 3436287889.

It is an arithmetic number, because the mean of its divisors is an integer number (3436287889).

Almost surely, 2^6872575777 is an apocalyptic number.

It is an amenable number.

6872575777 is a deficient number, since it is larger than the sum of its proper divisors (1).

6872575777 is an equidigital number, since it uses as much as digits as its factorization.

6872575777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40336800, while the sum is 61.

The square root of 6872575777 is about 82900.9998552490. Note that the first 3 decimals coincide. The cubic root of 6872575777 is about 1901.2527082318.

The spelling of 6872575777 in words is "six billion, eight hundred seventy-two million, five hundred seventy-five thousand, seven hundred seventy-seven".