827434864 has 10 divisors (see below), whose sum is σ = 1603155080. Its totient is φ = 413717424.

The previous prime is 827434847. The next prime is 827434889. The reversal of 827434864 is 468434728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25857324 + ... + 25857355.

It is an arithmetic number, because the mean of its divisors is an integer number (160315508).

Almost surely, 2^827434864 is an apocalyptic number.

It is an amenable number.

827434864 is a deficient number, since it is larger than the sum of its proper divisors (775720216).

827434864 is a wasteful number, since it uses less digits than its factorization.

827434864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51714687 (or 51714681 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 46.

The square root of 827434864 is about 28765.1675468786. The cubic root of 827434864 is about 938.8105008457.

The spelling of 827434864 in words is "eight hundred twenty-seven million, four hundred thirty-four thousand, eight hundred sixty-four".