1077238817 has 2 divisors, whose sum is σ = 1077238818. Its totient is φ = 1077238816.

The previous prime is 1077238777. The next prime is 1077238829. The reversal of 1077238817 is 7188327701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 948393616 + 128845201 = 30796^2 + 11351^2 .

It is a cyclic number.

It is not a de Polignac number, because 1077238817 - 2⁶ = 1077238753 is a prime.

It is not a weakly prime, because it can be changed into another prime (1077238417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538619408 + 538619409.

It is an arithmetic number, because the mean of its divisors is an integer number (538619409).

Almost surely, 2^1077238817 is an apocalyptic number.

It is an amenable number.

1077238817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1077238817 is an equidigital number, since it uses as much as digits as its factorization.

1077238817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131712, while the sum is 44.

The square root of 1077238817 is about 32821.3165031508. The cubic root of 1077238817 is about 1025.1104594819.

The spelling of 1077238817 in words is "one billion, seventy-seven million, two hundred thirty-eight thousand, eight hundred seventeen".