29117880000 has 1400 divisors, whose sum is σ = 126737181120. Its totient is φ = 6531840000.

The previous prime is 29117879969. The next prime is 29117880013. The reversal of 29117880000 is 8871192.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 677159979 + ... + 677160021.

Almost surely, 2^29117880000 is an apocalyptic number.

29117880000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29117880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63368590560).

29117880000 is an abundant number, since it is smaller than the sum of its proper divisors (97619301120).

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

29117880000 is a wasteful number, since it uses less digits than its factorization.

29117880000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The spelling of 29117880000 in words is "twenty-nine billion, one hundred seventeen million, eight hundred eighty thousand".