8749313129478 has 16 divisors (see below), whose sum is σ = 17498666304576. Its totient is φ = 2916431035560.

The previous prime is 8749313129467. The next prime is 8749313129497. The reversal of 8749313129478 is 8749213139478.

It is a super-2 number, since 2×8749313129478² (a number of 27 digits) contains 22 as substring.

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, 1692525 + ... + 4512567.

It is an arithmetic number, because the mean of its divisors is an integer number (1093666644036).

Almost surely, 2^{8749313129478} is an apocalyptic number.

8749313129478 is an abundant number, since it is smaller than the sum of its proper divisors (8749353175098).

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

8749313129478 is a wasteful number, since it uses less digits than its factorization.

8749313129478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337139.

The product of its digits is 73156608, while the sum is 66.

The spelling of 8749313129478 in words is "eight trillion, seven hundred forty-nine billion, three hundred thirteen million, one hundred twenty-nine thousand, four hundred seventy-eight".