1077333661 has 2 divisors, whose sum is σ = 1077333662. Its totient is φ = 1077333660.

The previous prime is 1077333659. The next prime is 1077333709. The reversal of 1077333661 is 1663337701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 875864025 + 201469636 = 29595^2 + 14194^2 .

It is a cyclic number.

It is not a de Polignac number, because 1077333661 - 2¹ = 1077333659 is a prime.

Together with 1077333659, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1077333661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1077339661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538666830 + 538666831.

It is an arithmetic number, because the mean of its divisors is an integer number (538666831).

Almost surely, 2^1077333661 is an apocalyptic number.

It is an amenable number.

1077333661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1077333661 is an equidigital number, since it uses as much as digits as its factorization.

1077333661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 1077333661 is about 32822.7613250317. The cubic root of 1077333661 is about 1025.1405434094.

The spelling of 1077333661 in words is "one billion, seventy-seven million, three hundred thirty-three thousand, six hundred sixty-one".