80822167713225 has 27 divisors (see below), whose sum is σ = 144761724150069. Its totient is φ = 43105084192800.

The previous prime is 80822167713223. The next prime is 80822167713239. The reversal of 80822167713225 is 52231776122808.

The square root of 80822167713225 is 8990115.

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

80822167713225 is a `hidden beast` number, since 80 + 82 + 2 + 167 + 7 + 1 + 322 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 16084824126921 + 64737343586304 = 4010589^2 + 8045952^2 .

It is not a de Polignac number, because 80822167713225 - 2¹ = 80822167713223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80822167713223) 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, 134552055 + ... + 135151395.

Almost surely, 2^{80822167713225} is an apocalyptic number.

80822167713225 is the 8990115-th square number.

80822167713225 is the 4495058-th centered octagonal number.

It is an amenable number.

80822167713225 is a deficient number, since it is larger than the sum of its proper divisors (63939556436844).

80822167713225 is an frugal number, since it uses more digits than its factorization.

80822167713225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198698 (or 599349 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 80822167713225 in words is "eighty trillion, eight hundred twenty-two billion, one hundred sixty-seven million, seven hundred thirteen thousand, two hundred twenty-five".