4347447487 has 2 divisors, whose sum is σ = 4347447488. Its totient is φ = 4347447486.

The previous prime is 4347447479. The next prime is 4347447521. The reversal of 4347447487 is 7847447434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4347447487 - 2³ = 4347447479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4347447187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2173723743 + 2173723744.

It is an arithmetic number, because the mean of its divisors is an integer number (2173723744).

Almost surely, 2^4347447487 is an apocalyptic number.

4347447487 is a deficient number, since it is larger than the sum of its proper divisors (1).

4347447487 is an equidigital number, since it uses as much as digits as its factorization.

4347447487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8429568, while the sum is 52.

The square root of 4347447487 is about 65935.1764007650. The cubic root of 4347447487 is about 1632.0925471705.

The spelling of 4347447487 in words is "four billion, three hundred forty-seven million, four hundred forty-seven thousand, four hundred eighty-seven".