8947642903 has 16 divisors (see below), whose sum is σ = 9337822560. Its totient is φ = 8568084096.

The previous prime is 8947642859. The next prime is 8947642927. The reversal of 8947642903 is 3092467498.

It is a happy number.

8947642903 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8947642903 - 2¹⁷ = 8947511831 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 (8947642103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375501 + ... + 398617.

It is an arithmetic number, because the mean of its divisors is an integer number (583613910).

Almost surely, 2^8947642903 is an apocalyptic number.

8947642903 is a deficient number, since it is larger than the sum of its proper divisors (390179657).

8947642903 is a wasteful number, since it uses less digits than its factorization.

8947642903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23346.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The square root of 8947642903 is about 94591.9811770533. The cubic root of 8947642903 is about 2076.0423777489.

The spelling of 8947642903 in words is "eight billion, nine hundred forty-seven million, six hundred forty-two thousand, nine hundred three".