12785907546 has 24 divisors (see below), whose sum is σ = 27705263040. Its totient is φ = 4261590216.

The previous prime is 12785907521. The next prime is 12785907551. The reversal of 12785907546 is 64570958721.

12785907546 is a `hidden beast` number, since 1 + 2 + 7 + 8 + 5 + 90 + 7 + 546 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12785907492 and 12785907501.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239241 + ... + 287763.

It is an arithmetic number, because the mean of its divisors is an integer number (1154385960).

Almost surely, 2^12785907546 is an apocalyptic number.

12785907546 is an abundant number, since it is smaller than the sum of its proper divisors (14919355494).

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

12785907546 is a wasteful number, since it uses less digits than its factorization.

12785907546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63170 (or 63167 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 12785907546 in words is "twelve billion, seven hundred eighty-five million, nine hundred seven thousand, five hundred forty-six".