7820204704 has 24 divisors (see below), whose sum is σ = 16580338740. Its totient is φ = 3609325056.

The previous prime is 7820204683. The next prime is 7820204729. The reversal of 7820204704 is 4074020287.

It can be written as a sum of positive squares in 2 ways, for example, as 7818096400 + 2108304 = 88420^2 + 1452^2 .

It is a super-2 number, since 2×7820204704² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7820204704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9398869 + ... + 9399700.

Almost surely, 2^7820204704 is an apocalyptic number.

It is an amenable number.

7820204704 is an abundant number, since it is smaller than the sum of its proper divisors (8760134036).

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

7820204704 is a wasteful number, since it uses less digits than its factorization.

7820204704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18798592 (or 18798584 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 7820204704 is about 88431.9212954236. The cubic root of 7820204704 is about 1984.9033915933.

The spelling of 7820204704 in words is "seven billion, eight hundred twenty million, two hundred four thousand, seven hundred four".