9868812827 has 8 divisors (see below), whose sum is σ = 10351189056. Its totient is φ = 9397786752.

The previous prime is 9868812809. The next prime is 9868812847. The reversal of 9868812827 is 7282188689.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9868812827 - 2²² = 9864618523 is a prime.

It is a super-2 number, since 2×9868812827² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9868812847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2835758 + ... + 2839235.

It is an arithmetic number, because the mean of its divisors is an integer number (1293898632).

Almost surely, 2^9868812827 is an apocalyptic number.

9868812827 is a deficient number, since it is larger than the sum of its proper divisors (482376229).

9868812827 is a wasteful number, since it uses less digits than its factorization.

9868812827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5675077.

The product of its digits is 6193152, while the sum is 59.

The square root of 9868812827 is about 99341.8986480528. The cubic root of 9868812827 is about 2144.9720494870.

The spelling of 9868812827 in words is "nine billion, eight hundred sixty-eight million, eight hundred twelve thousand, eight hundred twenty-seven".