8480865431 has 2 divisors, whose sum is σ = 8480865432. Its totient is φ = 8480865430.

The previous prime is 8480865413. The next prime is 8480865443. The reversal of 8480865431 is 1345680848.

Together with previous prime (8480865413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8480865431 is a prime.

It is a super-2 number, since 2×8480865431² (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 (8480865031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4240432715 + 4240432716.

It is an arithmetic number, because the mean of its divisors is an integer number (4240432716).

Almost surely, 2^8480865431 is an apocalyptic number.

8480865431 is a deficient number, since it is larger than the sum of its proper divisors (1).

8480865431 is an equidigital number, since it uses as much as digits as its factorization.

8480865431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 737280, while the sum is 47.

The square root of 8480865431 is about 92091.6143359427. The cubic root of 8480865431 is about 2039.2950139111.

The spelling of 8480865431 in words is "eight billion, four hundred eighty million, eight hundred sixty-five thousand, four hundred thirty-one".