9861264823 has 8 divisors (see below), whose sum is σ = 10003150080. Its totient is φ = 9719806200.

The previous prime is 9861264811. The next prime is 9861264857. The reversal of 9861264823 is 3284621689.

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 9861264823 - 2¹³ = 9861256631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9861264223) 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, 59953 + ... + 152698.

It is an arithmetic number, because the mean of its divisors is an integer number (1250393760).

Almost surely, 2^9861264823 is an apocalyptic number.

9861264823 is a deficient number, since it is larger than the sum of its proper divisors (141885257).

9861264823 is a wasteful number, since it uses less digits than its factorization.

9861264823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213317.

The product of its digits is 995328, while the sum is 49.

The square root of 9861264823 is about 99303.9013483358. The cubic root of 9861264823 is about 2144.4250607975.

The spelling of 9861264823 in words is "nine billion, eight hundred sixty-one million, two hundred sixty-four thousand, eight hundred twenty-three".