9845240866 has 8 divisors (see below), whose sum is σ = 15128053164. Its totient is φ = 4802556480.

The previous prime is 9845240857. The next prime is 9845240891. The reversal of 9845240866 is 6680425489.

It can be written as a sum of positive squares in 2 ways, for example, as 9798030225 + 47210641 = 98985^2 + 6871^2 .

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

It is a super-3 number, since 3×9845240866³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60031875 + ... + 60032038.

Almost surely, 2^9845240866 is an apocalyptic number.

9845240866 is a deficient number, since it is larger than the sum of its proper divisors (5282812298).

9845240866 is a wasteful number, since it uses less digits than its factorization.

9845240866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120063956.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The square root of 9845240866 is about 99223.1871388941. The cubic root of 9845240866 is about 2143.2629108925.

The spelling of 9845240866 in words is "nine billion, eight hundred forty-five million, two hundred forty thousand, eight hundred sixty-six".