407961322247 has 2 divisors, whose sum is σ = 407961322248. Its totient is φ = 407961322246.

The previous prime is 407961322207. The next prime is 407961322283. The reversal of 407961322247 is 742223169704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 407961322247 - 2¹⁰ = 407961321223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (407961322207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203980661123 + 203980661124.

It is an arithmetic number, because the mean of its divisors is an integer number (203980661124).

Almost surely, 2^407961322247 is an apocalyptic number.

407961322247 is a deficient number, since it is larger than the sum of its proper divisors (1).

407961322247 is an equidigital number, since it uses as much as digits as its factorization.

407961322247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 407961322247 in words is "four hundred seven billion, nine hundred sixty-one million, three hundred twenty-two thousand, two hundred forty-seven".