9616987386 has 32 divisors (see below), whose sum is σ = 21948684480. Its totient is φ = 3119022288.

The previous prime is 9616987339. The next prime is 9616987411. The reversal of 9616987386 is 6837896169.

9616987386 is a `hidden beast` number, since 9 + 616 + 9 + 8 + 7 + 3 + 8 + 6 = 666.

It is a super-2 number, since 2×9616987386² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2404656 + ... + 2408651.

It is an arithmetic number, because the mean of its divisors is an integer number (685896390).

Almost surely, 2^9616987386 is an apocalyptic number.

9616987386 is an abundant number, since it is smaller than the sum of its proper divisors (12331697094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9616987386 is a wasteful number, since it uses less digits than its factorization.

9616987386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4813355 (or 4813349 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The square root of 9616987386 is about 98066.2397871969. The cubic root of 9616987386 is about 2126.5699962882.

The spelling of 9616987386 in words is "nine billion, six hundred sixteen million, nine hundred eighty-seven thousand, three hundred eighty-six".