9248638487 has 16 divisors (see below), whose sum is σ = 10419010560. Its totient is φ = 8133412800.

The previous prime is 9248638471. The next prime is 9248638507. The reversal of 9248638487 is 7848368429.

It is a cyclic number.

It is not a de Polignac number, because 9248638487 - 2⁴ = 9248638471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9248631487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1385564 + ... + 1392222.

It is an arithmetic number, because the mean of its divisors is an integer number (651188160).

Almost surely, 2^9248638487 is an apocalyptic number.

9248638487 is a deficient number, since it is larger than the sum of its proper divisors (1170372073).

9248638487 is a wasteful number, since it uses less digits than its factorization.

9248638487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10774.

The product of its digits is 18579456, while the sum is 59.

The square root of 9248638487 is about 96169.8418788343. The cubic root of 9248638487 is about 2099.0652292441.

The spelling of 9248638487 in words is "nine billion, two hundred forty-eight million, six hundred thirty-eight thousand, four hundred eighty-seven".