9864737852 has 12 divisors (see below), whose sum is σ = 17264124696. Its totient is φ = 4932130800.

The previous prime is 9864737809. The next prime is 9864737863. The reversal of 9864737852 is 2587374689.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9864737791 and 9864737800.

It is a congruent number.

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, 60623 + ... + 152985.

It is an arithmetic number, because the mean of its divisors is an integer number (1438677058).

Almost surely, 2^9864737852 is an apocalyptic number.

It is an amenable number.

9864737852 is a deficient number, since it is larger than the sum of its proper divisors (7399386844).

9864737852 is a wasteful number, since it uses less digits than its factorization.

9864737852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119068 (or 119066 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 59.

The square root of 9864737852 is about 99321.3866798083. The cubic root of 9864737852 is about 2144.6767788886.

The spelling of 9864737852 in words is "nine billion, eight hundred sixty-four million, seven hundred thirty-seven thousand, eight hundred fifty-two".