8030277481 has 2 divisors, whose sum is σ = 8030277482. Its totient is φ = 8030277480.

The previous prime is 8030277433. The next prime is 8030277491. The reversal of 8030277481 is 1847720308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6417451881 + 1612825600 = 80109^2 + 40160^2 .

It is a cyclic number.

It is not a de Polignac number, because 8030277481 - 2²³ = 8021888873 is a prime.

It is a super-2 number, since 2×8030277481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8030277491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4015138740 + 4015138741.

It is an arithmetic number, because the mean of its divisors is an integer number (4015138741).

Almost surely, 2^8030277481 is an apocalyptic number.

It is an amenable number.

8030277481 is a deficient number, since it is larger than the sum of its proper divisors (1).

8030277481 is an equidigital number, since it uses as much as digits as its factorization.

8030277481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 8030277481 is about 89611.8155211689. The cubic root of 8030277481 is about 2002.5199470167.

Adding to 8030277481 its reverse (1847720308), we get a palindrome (9877997789).

The spelling of 8030277481 in words is "eight billion, thirty million, two hundred seventy-seven thousand, four hundred eighty-one".