827198361 has 24 divisors (see below), whose sum is σ = 1308696480. Its totient is φ = 499320000.

The previous prime is 827198357. The next prime is 827198399. The reversal of 827198361 is 163891728.

It is not a de Polignac number, because 827198361 - 2² = 827198357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (827198161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8205 + ... + 41493.

It is an arithmetic number, because the mean of its divisors is an integer number (54529020).

Almost surely, 2^827198361 is an apocalyptic number.

It is an amenable number.

827198361 is a deficient number, since it is larger than the sum of its proper divisors (481498119).

827198361 is a wasteful number, since it uses less digits than its factorization.

827198361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33557 (or 33554 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 827198361 is about 28761.0563262200. The cubic root of 827198361 is about 938.7210466111.

The spelling of 827198361 in words is "eight hundred twenty-seven million, one hundred ninety-eight thousand, three hundred sixty-one".