8725722804 has 36 divisors (see below), whose sum is σ = 23354142084. Its totient is φ = 2737481472.

The previous prime is 8725722793. The next prime is 8725722809. The reversal of 8725722804 is 4082275278.

8725722804 is a `hidden beast` number, since 8 + 72 + 572 + 2 + 8 + 0 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8073022500 + 652700304 = 89850^2 + 25548^2 .

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

It is a super-2 number, since 2×8725722804² (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 8725722804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8725722809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7128247 + ... + 7129470.

It is an arithmetic number, because the mean of its divisors is an integer number (648726169).

Almost surely, 2^8725722804 is an apocalyptic number.

It is an amenable number.

8725722804 is an abundant number, since it is smaller than the sum of its proper divisors (14628419280).

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

8725722804 is a wasteful number, since it uses less digits than its factorization.

8725722804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14257744 (or 14257739 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The square root of 8725722804 is about 93411.5774623253. The cubic root of 8725722804 is about 2058.7351084243.

The spelling of 8725722804 in words is "eight billion, seven hundred twenty-five million, seven hundred twenty-two thousand, eight hundred four".