80575050825 has 18 divisors (see below), whose sum is σ = 144318869214. Its totient is φ = 42973360320.

The previous prime is 80575050769. The next prime is 80575050827. The reversal of 80575050825 is 52805057508.

80575050825 is a `hidden beast` number, since 8 + 0 + 575 + 0 + 50 + 8 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 13626593289 + 66948457536 = 116733^2 + 258744^2 .

It is not a de Polignac number, because 80575050825 - 2⁷ = 80575050697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (80575050827) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 179055444 + ... + 179055893.

Almost surely, 2^80575050825 is an apocalyptic number.

It is an amenable number.

80575050825 is a deficient number, since it is larger than the sum of its proper divisors (63743818389).

80575050825 is a wasteful number, since it uses less digits than its factorization.

80575050825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358111353 (or 358111345 counting only the distinct ones).

The product of its (nonzero) digits is 560000, while the sum is 45.

The spelling of 80575050825 in words is "eighty billion, five hundred seventy-five million, fifty thousand, eight hundred twenty-five".