80789535225 has 81 divisors (see below), whose sum is σ = 168390224847. Its totient is φ = 36918715680.

The previous prime is 80789535191. The next prime is 80789535259. The reversal of 80789535225 is 52253598708.

The square root of 80789535225 is 284235.

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

80789535225 is a `hidden beast` number, since 8 + 0 + 7 + 89 + 535 + 2 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (80789535191) and next prime (80789535259).

It can be written as a sum of positive squares in only one way, i.e., 29084232681 + 51705302544 = 170541^2 + 227388^2 .

It is not a de Polignac number, because 80789535225 - 2¹³ = 80789527033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 29843322 + ... + 29846028.

Almost surely, 2^80789535225 is an apocalyptic number.

80789535225 is the 284235-th square number.

80789535225 is the 142118-th centered octagonal number.

It is an amenable number.

80789535225 is an abundant number, since it is smaller than the sum of its proper divisors (87600689622).

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

80789535225 is an equidigital number, since it uses as much as digits as its factorization.

80789535225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444 (or 2722 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 80789535225 in words is "eighty billion, seven hundred eighty-nine million, five hundred thirty-five thousand, two hundred twenty-five".