84050707225 has 27 divisors (see below), whose sum is σ = 108994559709. Its totient is φ = 64291550400.

The previous prime is 84050707219. The next prime is 84050707229. The reversal of 84050707225 is 52270705048.

It is a happy number.

The square root of 84050707225 is 289915.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 51502217481 + 32548489744 = 226941^2 + 180412^2 .

It is not a de Polignac number, because 84050707225 - 2¹¹ = 84050705177 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84050707229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 33338965 + ... + 33341485.

Almost surely, 2^84050707225 is an apocalyptic number.

84050707225 is the 289915-th square number.

84050707225 is the 144958-th centered octagonal number.

It is an amenable number.

84050707225 is a deficient number, since it is larger than the sum of its proper divisors (24943852484).

84050707225 is an frugal number, since it uses more digits than its factorization.

84050707225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098 (or 2549 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The spelling of 84050707225 in words is "eighty-four billion, fifty million, seven hundred seven thousand, two hundred twenty-five".