1075638857 has 2 divisors, whose sum is σ = 1075638858. Its totient is φ = 1075638856.

The previous prime is 1075638833. The next prime is 1075638881. The reversal of 1075638857 is 7588365701.

It is a balanced prime because it is at equal distance from previous prime (1075638833) and next prime (1075638881).

It can be written as a sum of positive squares in only one way, i.e., 1073938441 + 1700416 = 32771^2 + 1304^2 .

It is a cyclic number.

It is not a de Polignac number, because 1075638857 - 2¹⁶ = 1075573321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1075638457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537819428 + 537819429.

It is an arithmetic number, because the mean of its divisors is an integer number (537819429).

Almost surely, 2^1075638857 is an apocalyptic number.

It is an amenable number.

1075638857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075638857 is an equidigital number, since it uses as much as digits as its factorization.

1075638857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The square root of 1075638857 is about 32796.9336524011. The cubic root of 1075638857 is about 1024.6026957516.

The spelling of 1075638857 in words is "one billion, seventy-five million, six hundred thirty-eight thousand, eight hundred fifty-seven".