9871617452 has 12 divisors (see below), whose sum is σ = 17288659080. Its totient is φ = 4932000576.

The previous prime is 9871617439. The next prime is 9871617467. The reversal of 9871617452 is 2547161789.

It is a happy number.

9871617452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9871617452² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9871617452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 946202 + ... + 956577.

It is an arithmetic number, because the mean of its divisors is an integer number (1440721590).

Almost surely, 2^9871617452 is an apocalyptic number.

It is an amenable number.

9871617452 is a deficient number, since it is larger than the sum of its proper divisors (7417041628).

9871617452 is a wasteful number, since it uses less digits than its factorization.

9871617452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904080 (or 1904078 counting only the distinct ones).

The product of its digits is 846720, while the sum is 50.

The square root of 9871617452 is about 99356.0136680211. The cubic root of 9871617452 is about 2145.1752239568.

The spelling of 9871617452 in words is "nine billion, eight hundred seventy-one million, six hundred seventeen thousand, four hundred fifty-two".