827474906949 has 16 divisors (see below), whose sum is σ = 1160055275520. Its totient is φ = 523895924160.

The previous prime is 827474906917. The next prime is 827474906971. The reversal of 827474906949 is 949609474728.

It is not a de Polignac number, because 827474906949 - 2⁵ = 827474906917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827474906749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77955397 + ... + 77966010.

It is an arithmetic number, because the mean of its divisors is an integer number (72503454720).

Almost surely, 2^827474906949 is an apocalyptic number.

It is an amenable number.

827474906949 is a deficient number, since it is larger than the sum of its proper divisors (332580368571).

827474906949 is a wasteful number, since it uses less digits than its factorization.

827474906949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155921500.

The product of its (nonzero) digits is 219469824, while the sum is 69.

The spelling of 827474906949 in words is "eight hundred twenty-seven billion, four hundred seventy-four million, nine hundred six thousand, nine hundred forty-nine".