1057777207 has 2 divisors, whose sum is σ = 1057777208. Its totient is φ = 1057777206.

The previous prime is 1057777183. The next prime is 1057777211. The reversal of 1057777207 is 7027777501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1057777207 is a prime.

It is a super-3 number, since 3×1057777207³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1057777267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528888603 + 528888604.

It is an arithmetic number, because the mean of its divisors is an integer number (528888604).

Almost surely, 2^1057777207 is an apocalyptic number.

1057777207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057777207 is an equidigital number, since it uses as much as digits as its factorization.

1057777207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168070, while the sum is 43.

The square root of 1057777207 is about 32523.4870055472. The cubic root of 1057777207 is about 1018.8996229635.

The spelling of 1057777207 in words is "one billion, fifty-seven million, seven hundred seventy-seven thousand, two hundred seven".