8920429812 has 216 divisors, whose sum is σ = 27265784000. Its totient is φ = 2457943488.

The previous prime is 8920429801. The next prime is 8920429849. The reversal of 8920429812 is 2189240298.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10384239 + ... + 10385097.

Almost surely, 2^8920429812 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 8920429812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13632892000).

8920429812 is an abundant number, since it is smaller than the sum of its proper divisors (18345354188).

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

8920429812 is a wasteful number, since it uses less digits than its factorization.

8920429812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 8920429812 is about 94448.0270413310. The cubic root of 8920429812 is about 2073.9355695712.

The spelling of 8920429812 in words is "eight billion, nine hundred twenty million, four hundred twenty-nine thousand, eight hundred twelve".