8078574431 has 2 divisors, whose sum is σ = 8078574432. Its totient is φ = 8078574430.

The previous prime is 8078574407. The next prime is 8078574433. The reversal of 8078574431 is 1344758708.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8078574431 is a prime.

It is a super-2 number, since 2×8078574431² (a number of 21 digits) contains 22 as substring.

Together with 8078574433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8078574433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4039287215 + 4039287216.

It is an arithmetic number, because the mean of its divisors is an integer number (4039287216).

Almost surely, 2^8078574431 is an apocalyptic number.

8078574431 is a deficient number, since it is larger than the sum of its proper divisors (1).

8078574431 is an equidigital number, since it uses as much as digits as its factorization.

8078574431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 8078574431 is about 89880.8902436997. The cubic root of 8078574431 is about 2006.5265481675.

The spelling of 8078574431 in words is "eight billion, seventy-eight million, five hundred seventy-four thousand, four hundred thirty-one".