9572687987 has 2 divisors, whose sum is σ = 9572687988. Its totient is φ = 9572687986.

The previous prime is 9572687963. The next prime is 9572688007. The reversal of 9572687987 is 7897862759.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9572687987 - 2⁸ = 9572687731 is a prime.

It is a super-2 number, since 2×9572687987² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9572687087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4786343993 + 4786343994.

It is an arithmetic number, because the mean of its divisors is an integer number (4786343994).

Almost surely, 2^9572687987 is an apocalyptic number.

9572687987 is a deficient number, since it is larger than the sum of its proper divisors (1).

9572687987 is an equidigital number, since it uses as much as digits as its factorization.

9572687987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 106686720, while the sum is 68.

The square root of 9572687987 is about 97840.1144061065. The cubic root of 9572687987 is about 2123.2997139166.

The spelling of 9572687987 in words is "nine billion, five hundred seventy-two million, six hundred eighty-seven thousand, nine hundred eighty-seven".