12878548758 has 48 divisors (see below), whose sum is σ = 28538658720. Its totient is φ = 4195756032.

The previous prime is 12878548757. The next prime is 12878548759. The reversal of 12878548758 is 85784587821.

12878548758 is a `hidden beast` number, since 1 + 2 + 87 + 8 + 548 + 7 + 5 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (12878548757) and next prime (12878548759).

It is a super-2 number, since 2×12878548758² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12878548695 and 12878548704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12878548757) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225238 + ... + 276566.

It is an arithmetic number, because the mean of its divisors is an integer number (594555390).

Almost surely, 2^12878548758 is an apocalyptic number.

12878548758 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12878548758 is an abundant number, since it is smaller than the sum of its proper divisors (15660109962).

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

12878548758 is a wasteful number, since it uses less digits than its factorization.

12878548758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51653 (or 51650 counting only the distinct ones).

The product of its digits is 40140800, while the sum is 63.

The spelling of 12878548758 in words is "twelve billion, eight hundred seventy-eight million, five hundred forty-eight thousand, seven hundred fifty-eight".