9994156827 has 8 divisors (see below), whose sum is σ = 13363293264. Its totient is φ = 6643895808.

The previous prime is 9994156817. The next prime is 9994156831. The reversal of 9994156827 is 7286514999.

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

It is a de Polignac number, because none of the positive numbers 2^k-9994156827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9994156817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4717618 + ... + 4719735.

It is an arithmetic number, because the mean of its divisors is an integer number (1670411658).

Almost surely, 2^9994156827 is an apocalyptic number.

9994156827 is a deficient number, since it is larger than the sum of its proper divisors (3369136437).

9994156827 is a wasteful number, since it uses less digits than its factorization.

9994156827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9437709.

The product of its digits is 9797760, while the sum is 60.

The square root of 9994156827 is about 99970.7798659188. The cubic root of 9994156827 is about 2154.0149837870.

The spelling of 9994156827 in words is "nine billion, nine hundred ninety-four million, one hundred fifty-six thousand, eight hundred twenty-seven".