29971286076 has 96 divisors (see below), whose sum is σ = 75540148992. Its totient is φ = 9214571520.

The previous prime is 29971286011. The next prime is 29971286077. The reversal of 29971286076 is 67068217992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29971286077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2687031 + ... + 2698161.

It is an arithmetic number, because the mean of its divisors is an integer number (786876552).

Almost surely, 2^29971286076 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 29971286076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37770074496).

29971286076 is an abundant number, since it is smaller than the sum of its proper divisors (45568862916).

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

29971286076 is a wasteful number, since it uses less digits than its factorization.

29971286076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11419 (or 11417 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 29971286076 in words is "twenty-nine billion, nine hundred seventy-one million, two hundred eighty-six thousand, seventy-six".