1078889759 has 2 divisors, whose sum is σ = 1078889760. Its totient is φ = 1078889758.

The previous prime is 1078889723. The next prime is 1078889797. The reversal of 1078889759 is 9579888701.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1078889759 - 2¹² = 1078885663 is a prime.

It is a super-2 number, since 2×1078889759² = 2328006224150156162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1078889719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539444879 + 539444880.

It is an arithmetic number, because the mean of its divisors is an integer number (539444880).

Almost surely, 2^1078889759 is an apocalyptic number.

1078889759 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078889759 is an equidigital number, since it uses as much as digits as its factorization.

1078889759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10160640, while the sum is 62.

The square root of 1078889759 is about 32846.4573279981. The cubic root of 1078889759 is about 1025.6338760940.

The spelling of 1078889759 in words is "one billion, seventy-eight million, eight hundred eighty-nine thousand, seven hundred fifty-nine".