29057422086 has 480 divisors, whose sum is σ = 86524796160. Its totient is φ = 7201353600.

The previous prime is 29057422007. The next prime is 29057422099. The reversal of 29057422086 is 68022475092.

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 239 ways as a sum of consecutive naturals, for example, 266581800 + ... + 266581908.

It is an arithmetic number, because the mean of its divisors is an integer number (180259992).

Almost surely, 2^29057422086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29057422086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43262398080).

29057422086 is an abundant number, since it is smaller than the sum of its proper divisors (57467374074).

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

29057422086 is a wasteful number, since it uses less digits than its factorization.

29057422086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 29057422086 in words is "twenty-nine billion, fifty-seven million, four hundred twenty-two thousand, eighty-six".