827138476 has 18 divisors (see below), whose sum is σ = 1524138140. Its totient is φ = 391683672.

The previous prime is 827138471. The next prime is 827138479. The reversal of 827138476 is 674831728.

It is not an unprimeable number, because it can be changed into a prime (827138471) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 249075 + ... + 252373.

Almost surely, 2^827138476 is an apocalyptic number.

It is an amenable number.

827138476 is a deficient number, since it is larger than the sum of its proper divisors (696999664).

827138476 is an equidigital number, since it uses as much as digits as its factorization.

827138476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6621 (or 3320 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 827138476 is about 28760.0152294814. The cubic root of 827138476 is about 938.6983931706.

The spelling of 827138476 in words is "eight hundred twenty-seven million, one hundred thirty-eight thousand, four hundred seventy-six".