8557945803 has 24 divisors (see below), whose sum is σ = 13500065280. Its totient is φ = 5180934960.

The previous prime is 8557945801. The next prime is 8557945807. The reversal of 8557945803 is 3085497558.

8557945803 is a `hidden beast` number, since 8 + 5 + 57 + 9 + 4 + 580 + 3 = 666.

It is not a de Polignac number, because 8557945803 - 2¹ = 8557945801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8557945803.

It is not an unprimeable number, because it can be changed into a prime (8557945801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43950 + ... + 138012.

It is an arithmetic number, because the mean of its divisors is an integer number (562502720).

Almost surely, 2^8557945803 is an apocalyptic number.

8557945803 is a deficient number, since it is larger than the sum of its proper divisors (4942119477).

8557945803 is a wasteful number, since it uses less digits than its factorization.

8557945803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94999 (or 94996 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The square root of 8557945803 is about 92509.1660485598. The cubic root of 8557945803 is about 2045.4545971593.

The spelling of 8557945803 in words is "eight billion, five hundred fifty-seven million, nine hundred forty-five thousand, eight hundred three".