7487455247 has 2 divisors, whose sum is σ = 7487455248. Its totient is φ = 7487455246.

The previous prime is 7487455243. The next prime is 7487455253. The reversal of 7487455247 is 7425547847.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7425547847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7487455247 - 2² = 7487455243 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7487455243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3743727623 + 3743727624.

It is an arithmetic number, because the mean of its divisors is an integer number (3743727624).

Almost surely, 2^7487455247 is an apocalyptic number.

7487455247 is a deficient number, since it is larger than the sum of its proper divisors (1).

7487455247 is an equidigital number, since it uses as much as digits as its factorization.

7487455247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8780800, while the sum is 53.

The square root of 7487455247 is about 86530.0829018440. The cubic root of 7487455247 is about 1956.3418549254.

The spelling of 7487455247 in words is "seven billion, four hundred eighty-seven million, four hundred fifty-five thousand, two hundred forty-seven".