827609494 has 16 divisors (see below), whose sum is σ = 1250795520. Its totient is φ = 410688040.

The previous prime is 827609479. The next prime is 827609501. The reversal of 827609494 is 494906728.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180717 + ... + 185239.

It is an arithmetic number, because the mean of its divisors is an integer number (78174720).

Almost surely, 2^827609494 is an apocalyptic number.

827609494 is a deficient number, since it is larger than the sum of its proper divisors (423186026).

827609494 is a wasteful number, since it uses less digits than its factorization.

827609494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 827609494 is about 28768.2028288178. The cubic root of 827609494 is about 938.8765414703.

The spelling of 827609494 in words is "eight hundred twenty-seven million, six hundred nine thousand, four hundred ninety-four".