8478260431 has 2 divisors, whose sum is σ = 8478260432. Its totient is φ = 8478260430.

The previous prime is 8478260423. The next prime is 8478260443. The reversal of 8478260431 is 1340628748.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8478260431 - 2³ = 8478260423 is a prime.

It is a super-2 number, since 2×8478260431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8478260471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4239130215 + 4239130216.

It is an arithmetic number, because the mean of its divisors is an integer number (4239130216).

Almost surely, 2^8478260431 is an apocalyptic number.

8478260431 is a deficient number, since it is larger than the sum of its proper divisors (1).

8478260431 is an equidigital number, since it uses as much as digits as its factorization.

8478260431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 8478260431 is about 92077.4697252265. The cubic root of 8478260431 is about 2039.0861945178.

The spelling of 8478260431 in words is "eight billion, four hundred seventy-eight million, two hundred sixty thousand, four hundred thirty-one".