78537854853 has 32 divisors (see below), whose sum is σ = 117328032000. Its totient is φ = 51920699328.

The previous prime is 78537854809. The next prime is 78537854867. The reversal of 78537854853 is 35845873587.

78537854853 is a `hidden beast` number, since 7 + 8 + 5 + 37 + 8 + 548 + 53 = 666.

It is not a de Polignac number, because 78537854853 - 2¹² = 78537850757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78537854893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2450176 + ... + 2482022.

It is an arithmetic number, because the mean of its divisors is an integer number (3666501000).

Almost surely, 2^78537854853 is an apocalyptic number.

It is an amenable number.

78537854853 is a deficient number, since it is larger than the sum of its proper divisors (38790177147).

78537854853 is a wasteful number, since it uses less digits than its factorization.

78537854853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32618 (or 32612 counting only the distinct ones).

The product of its digits is 112896000, while the sum is 63.

The spelling of 78537854853 in words is "seventy-eight billion, five hundred thirty-seven million, eight hundred fifty-four thousand, eight hundred fifty-three".