80775807825250 has 16 divisors (see below), whose sum is σ = 151212312249336. Its totient is φ = 32310323130000.

The previous prime is 80775807825247. The next prime is 80775807825257. The reversal of 80775807825250 is 5252870857708.

It can be written as a sum of positive squares in 4 ways, for example, as 17366964382161 + 63408843443089 = 4167369^2 + 7962967^2 .

It is a super-2 number, since 2×80775807825250² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80775807825257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161551615401 + ... + 161551615900.

Almost surely, 2^{80775807825250} is an apocalyptic number.

80775807825250 is a deficient number, since it is larger than the sum of its proper divisors (70436504424086).

80775807825250 is a wasteful number, since it uses less digits than its factorization.

80775807825250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323103231318 (or 323103231308 counting only the distinct ones).

The product of its (nonzero) digits is 87808000, while the sum is 64.

The spelling of 80775807825250 in words is "eighty trillion, seven hundred seventy-five billion, eight hundred seven million, eight hundred twenty-five thousand, two hundred fifty".