8003428812 has 36 divisors (see below), whose sum is σ = 20234692296. Its totient is φ = 2667308160.

The previous prime is 8003428801. The next prime is 8003428831. The reversal of 8003428812 is 2188243008.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 207487 + ... + 243017.

It is an arithmetic number, because the mean of its divisors is an integer number (562074786).

Almost surely, 2^8003428812 is an apocalyptic number.

It is an amenable number.

8003428812 is an abundant number, since it is smaller than the sum of its proper divisors (12231263484).

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

8003428812 is a wasteful number, since it uses less digits than its factorization.

8003428812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41798 (or 41793 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 8003428812 is about 89461.8846883968. The cubic root of 8003428812 is about 2000.2856935210.

The spelling of 8003428812 in words is "eight billion, three million, four hundred twenty-eight thousand, eight hundred twelve".