9886497892 has 6 divisors (see below), whose sum is σ = 17301371318. Its totient is φ = 4943248944.

The previous prime is 9886497889. The next prime is 9886497913. The reversal of 9886497892 is 2987946889.

It can be written as a sum of positive squares in only one way, i.e., 9712890916 + 173606976 = 98554^2 + 13176^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1235812233 + ... + 1235812240.

Almost surely, 2^9886497892 is an apocalyptic number.

It is an amenable number.

9886497892 is a deficient number, since it is larger than the sum of its proper divisors (7414873426).

9886497892 is a wasteful number, since it uses less digits than its factorization.

9886497892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471624477 (or 2471624475 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 70.

The square root of 9886497892 is about 99430.8699147302. The cubic root of 9886497892 is about 2146.2525592401.

The spelling of 9886497892 in words is "nine billion, eight hundred eighty-six million, four hundred ninety-seven thousand, eight hundred ninety-two".