4427401797487 has 2 divisors, whose sum is σ = 4427401797488. Its totient is φ = 4427401797486.

The previous prime is 4427401797479. The next prime is 4427401797571. The reversal of 4427401797487 is 7847971047244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4427401797487 - 2³ = 4427401797479 is a prime.

It is a super-2 number, since 2×4427401797487² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4427401797787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2213700898743 + 2213700898744.

It is an arithmetic number, because the mean of its divisors is an integer number (2213700898744).

Almost surely, 2^{4427401797487} is an apocalyptic number.

4427401797487 is a deficient number, since it is larger than the sum of its proper divisors (1).

4427401797487 is an equidigital number, since it uses as much as digits as its factorization.

4427401797487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88510464, while the sum is 64.

The spelling of 4427401797487 in words is "four trillion, four hundred twenty-seven billion, four hundred one million, seven hundred ninety-seven thousand, four hundred eighty-seven".