2053801777 has 2 divisors, whose sum is σ = 2053801778. Its totient is φ = 2053801776.

The previous prime is 2053801753. The next prime is 2053801811. The reversal of 2053801777 is 7771083502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1494904896 + 558896881 = 38664^2 + 23641^2 .

It is a cyclic number.

It is not a de Polignac number, because 2053801777 - 2¹¹ = 2053799729 is a prime.

It is not a weakly prime, because it can be changed into another prime (2053801577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026900888 + 1026900889.

It is an arithmetic number, because the mean of its divisors is an integer number (1026900889).

Almost surely, 2^2053801777 is an apocalyptic number.

It is an amenable number.

2053801777 is a deficient number, since it is larger than the sum of its proper divisors (1).

2053801777 is an equidigital number, since it uses as much as digits as its factorization.

2053801777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 2053801777 is about 45318.8898473915. The cubic root of 2053801777 is about 1271.1188967587.

The spelling of 2053801777 in words is "two billion, fifty-three million, eight hundred one thousand, seven hundred seventy-seven".