29878267712 has 56 divisors (see below), whose sum is σ = 60249816000. Its totient is φ = 14698091520.

The previous prime is 29878267693. The next prime is 29878267721. The reversal of 29878267712 is 21776287892.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2260868 + ... + 2274044.

Almost surely, 2^29878267712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29878267712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30124908000).

29878267712 is an abundant number, since it is smaller than the sum of its proper divisors (30371548288).

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

29878267712 is a wasteful number, since it uses less digits than its factorization.

29878267712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13759 (or 13749 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 59.

The spelling of 29878267712 in words is "twenty-nine billion, eight hundred seventy-eight million, two hundred sixty-seven thousand, seven hundred twelve".