9616684487 has 2 divisors, whose sum is σ = 9616684488. Its totient is φ = 9616684486.

The previous prime is 9616684433. The next prime is 9616684513. The reversal of 9616684487 is 7844866169.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9616684487 - 2¹² = 9616680391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9616684417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4808342243 + 4808342244.

It is an arithmetic number, because the mean of its divisors is an integer number (4808342244).

Almost surely, 2^9616684487 is an apocalyptic number.

9616684487 is a deficient number, since it is larger than the sum of its proper divisors (1).

9616684487 is an equidigital number, since it uses as much as digits as its factorization.

9616684487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13934592, while the sum is 59.

The square root of 9616684487 is about 98064.6954158325. The cubic root of 9616684487 is about 2126.5476697299.

The spelling of 9616684487 in words is "nine billion, six hundred sixteen million, six hundred eighty-four thousand, four hundred eighty-seven".