827800097 has 4 divisors (see below), whose sum is σ = 834318336. Its totient is φ = 821281860.

The previous prime is 827800093. The next prime is 827800109. The reversal of 827800097 is 790008728.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 827800097 - 2² = 827800093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (827800093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3258929 + ... + 3259182.

It is an arithmetic number, because the mean of its divisors is an integer number (208579584).

Almost surely, 2^827800097 is an apocalyptic number.

It is an amenable number.

827800097 is a deficient number, since it is larger than the sum of its proper divisors (6518239).

827800097 is a wasteful number, since it uses less digits than its factorization.

827800097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6518238.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 827800097 is about 28771.5153754542. The cubic root of 827800097 is about 938.9486120747.

The spelling of 827800097 in words is "eight hundred twenty-seven million, eight hundred thousand, ninety-seven".