8857563838245 has 16 divisors (see below), whose sum is σ = 15746780157120. Its totient is φ = 4724034046992.

The previous prime is 8857563838241. The next prime is 8857563838261. The reversal of 8857563838245 is 5428383657588.

8857563838245 is a `hidden beast` number, since 8 + 8 + 5 + 7 + 563 + 8 + 38 + 24 + 5 = 666.

8857563838245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8857563838245 - 2² = 8857563838241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8857563838241) 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, 32805791859 + ... + 32805792128.

It is an arithmetic number, because the mean of its divisors is an integer number (984173759820).

Almost surely, 2^{8857563838245} is an apocalyptic number.

It is an amenable number.

8857563838245 is a deficient number, since it is larger than the sum of its proper divisors (6889216318875).

8857563838245 is a wasteful number, since it uses less digits than its factorization.

8857563838245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65611584001 (or 65611583995 counting only the distinct ones).

The product of its digits is 1548288000, while the sum is 72.

The spelling of 8857563838245 in words is "eight trillion, eight hundred fifty-seven billion, five hundred sixty-three million, eight hundred thirty-eight thousand, two hundred forty-five".