10771639 has 2 divisors, whose sum is σ = 10771640. Its totient is φ = 10771638.

The previous prime is 10771619. The next prime is 10771679. The reversal of 10771639 is 93617701.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (93617701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10771639 - 2⁷ = 10771511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10771619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5385819 + 5385820.

It is an arithmetic number, because the mean of its divisors is an integer number (5385820).

Almost surely, 2^10771639 is an apocalyptic number.

10771639 is a deficient number, since it is larger than the sum of its proper divisors (1).

10771639 is an equidigital number, since it uses as much as digits as its factorization.

10771639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 10771639 is about 3282.0175197582. The cubic root of 10771639 is about 220.8482336056.

The spelling of 10771639 in words is "ten million, seven hundred seventy-one thousand, six hundred thirty-nine".