12782107508 has 12 divisors (see below), whose sum is σ = 22702549632. Its totient is φ = 6295664760.

The previous prime is 12782107477. The next prime is 12782107511. The reversal of 12782107508 is 80570128721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23846948 + ... + 23847483.

It is an arithmetic number, because the mean of its divisors is an integer number (1891879136).

Almost surely, 2^12782107508 is an apocalyptic number.

It is an amenable number.

12782107508 is a deficient number, since it is larger than the sum of its proper divisors (9920442124).

12782107508 is a wasteful number, since it uses less digits than its factorization.

12782107508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47694502 (or 47694500 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 41.

The spelling of 12782107508 in words is "twelve billion, seven hundred eighty-two million, one hundred seven thousand, five hundred eight".