7981203204 has 36 divisors (see below), whose sum is σ = 21726609996. Its totient is φ = 2455754688.

The previous prime is 7981203199. The next prime is 7981203247. The reversal of 7981203204 is 4023021897.

It can be written as a sum of positive squares in 2 ways, for example, as 1509322500 + 6471880704 = 38850^2 + 80448^2 .

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, 8526459 + ... + 8527394.

Almost surely, 2^7981203204 is an apocalyptic number.

It is an amenable number.

7981203204 is an abundant number, since it is smaller than the sum of its proper divisors (13745406792).

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

7981203204 is a wasteful number, since it uses less digits than its factorization.

7981203204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17053876 (or 17053871 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 7981203204 is about 89337.5800209520. The cubic root of 7981203204 is about 1998.4323719255.

The spelling of 7981203204 in words is "seven billion, nine hundred eighty-one million, two hundred three thousand, two hundred four".