12575785788 has 48 divisors (see below), whose sum is σ = 32727932160. Its totient is φ = 4175980272.

The previous prime is 12575785771. The next prime is 12575785793. The reversal of 12575785788 is 88758757521.

12575785788 is a `hidden beast` number, since 1 + 2 + 5 + 7 + 57 + 8 + 578 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192970 + ... + 249777.

It is an arithmetic number, because the mean of its divisors is an integer number (681831920).

Almost surely, 2^12575785788 is an apocalyptic number.

12575785788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12575785788 is an abundant number, since it is smaller than the sum of its proper divisors (20152146372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12575785788 is a wasteful number, since it uses less digits than its factorization.

12575785788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443023 (or 443015 counting only the distinct ones).

The product of its digits is 43904000, while the sum is 63.

The spelling of 12575785788 in words is "twelve billion, five hundred seventy-five million, seven hundred eighty-five thousand, seven hundred eighty-eight".