8740774409 has 2 divisors, whose sum is σ = 8740774410. Its totient is φ = 8740774408.

The previous prime is 8740774403. The next prime is 8740774423. The reversal of 8740774409 is 9044770478.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8602006009 + 138768400 = 92747^2 + 11780^2 .

It is a cyclic number.

It is not a de Polignac number, because 8740774409 - 2⁸ = 8740774153 is a prime.

It is a super-2 number, since 2×8740774409² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8740774403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4370387204 + 4370387205.

It is an arithmetic number, because the mean of its divisors is an integer number (4370387205).

Almost surely, 2^8740774409 is an apocalyptic number.

It is an amenable number.

8740774409 is a deficient number, since it is larger than the sum of its proper divisors (1).

8740774409 is an equidigital number, since it uses as much as digits as its factorization.

8740774409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1580544, while the sum is 50.

The square root of 8740774409 is about 93492.1088060377. The cubic root of 8740774409 is about 2059.9181801323.

The spelling of 8740774409 in words is "eight billion, seven hundred forty million, seven hundred seventy-four thousand, four hundred nine".