29478831275 has 12 divisors (see below), whose sum is σ = 36566279400. Its totient is φ = 23574982080.

The previous prime is 29478831257. The next prime is 29478831281. The reversal of 29478831275 is 57213887492.

It is not a de Polignac number, because 29478831275 - 2¹⁴ = 29478814891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29478831275.

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, 127130 + ... + 274079.

It is an arithmetic number, because the mean of its divisors is an integer number (3047189950).

Almost surely, 2^29478831275 is an apocalyptic number.

29478831275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29478831275 is a deficient number, since it is larger than the sum of its proper divisors (7087448125).

29478831275 is a wasteful number, since it uses less digits than its factorization.

29478831275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404158 (or 404153 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 56.

The spelling of 29478831275 in words is "twenty-nine billion, four hundred seventy-eight million, eight hundred thirty-one thousand, two hundred seventy-five".