1079689757 has 2 divisors, whose sum is σ = 1079689758. Its totient is φ = 1079689756.

The previous prime is 1079689753. The next prime is 1079689811. The reversal of 1079689757 is 7579869701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 835267801 + 244421956 = 28901^2 + 15634^2 .

It is a cyclic number.

It is not a de Polignac number, because 1079689757 - 2² = 1079689753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1079689696 and 1079689705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1079689753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539844878 + 539844879.

It is an arithmetic number, because the mean of its divisors is an integer number (539844879).

Almost surely, 2^1079689757 is an apocalyptic number.

It is an amenable number.

1079689757 is a deficient number, since it is larger than the sum of its proper divisors (1).

1079689757 is an equidigital number, since it uses as much as digits as its factorization.

1079689757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6667920, while the sum is 59.

The square root of 1079689757 is about 32858.6329143499. The cubic root of 1079689757 is about 1025.8873163627.

The spelling of 1079689757 in words is "one billion, seventy-nine million, six hundred eighty-nine thousand, seven hundred fifty-seven".