9664469087 has 24 divisors (see below), whose sum is σ = 12220374096. Its totient is φ = 7575095808.

The previous prime is 9664469083. The next prime is 9664469123. The reversal of 9664469087 is 7809644669.

It is not a de Polignac number, because 9664469087 - 2² = 9664469083 is a prime.

It is a super-2 number, since 2×9664469087² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9664469083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2738 + ... + 139055.

It is an arithmetic number, because the mean of its divisors is an integer number (509182254).

Almost surely, 2^9664469087 is an apocalyptic number.

9664469087 is a deficient number, since it is larger than the sum of its proper divisors (2555905009).

9664469087 is a wasteful number, since it uses less digits than its factorization.

9664469087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141927 (or 141920 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 59.

The square root of 9664469087 is about 98308.0316505218. The cubic root of 9664469087 is about 2130.0640717059.

The spelling of 9664469087 in words is "nine billion, six hundred sixty-four million, four hundred sixty-nine thousand, eighty-seven".