12794171758 has 16 divisors (see below), whose sum is σ = 19813178880. Its totient is φ = 6189838200.

The previous prime is 12794171749. The next prime is 12794171821. The reversal of 12794171758 is 85717149721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680853 + ... + 699391.

It is an arithmetic number, because the mean of its divisors is an integer number (1238323680).

Almost surely, 2^12794171758 is an apocalyptic number.

12794171758 is a deficient number, since it is larger than the sum of its proper divisors (7019007122).

12794171758 is a wasteful number, since it uses less digits than its factorization.

12794171758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29703.

The product of its digits is 987840, while the sum is 52.

It can be divided in two parts, 12794171 and 758, that added together give a square (12794929 = 3577²).

The spelling of 12794171758 in words is "twelve billion, seven hundred ninety-four million, one hundred seventy-one thousand, seven hundred fifty-eight".