1057770877 has 2 divisors, whose sum is σ = 1057770878. Its totient is φ = 1057770876.

The previous prime is 1057770859. The next prime is 1057770887. The reversal of 1057770877 is 7780777501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1012894276 + 44876601 = 31826^2 + 6699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1057770877 is a prime.

It is a super-2 number, since 2×1057770877² = 2237758456458698258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057770877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1057770887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528885438 + 528885439.

It is an arithmetic number, because the mean of its divisors is an integer number (528885439).

Almost surely, 2^1057770877 is an apocalyptic number.

It is an amenable number.

1057770877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057770877 is an equidigital number, since it uses as much as digits as its factorization.

1057770877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672280, while the sum is 49.

The square root of 1057770877 is about 32523.3896911131. The cubic root of 1057770877 is about 1018.8975905105.

The spelling of 1057770877 in words is "one billion, fifty-seven million, seven hundred seventy thousand, eight hundred seventy-seven".