827807694 has 128 divisors (see below), whose sum is σ = 2081587200. Its totient is φ = 214151040.

The previous prime is 827807693. The next prime is 827807699. The reversal of 827807694 is 496708728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827807693) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2696289 + ... + 2696595.

It is an arithmetic number, because the mean of its divisors is an integer number (16262400).

Almost surely, 2^827807694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 827807694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1040793600).

827807694 is an abundant number, since it is smaller than the sum of its proper divisors (1253779506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

827807694 is a wasteful number, since it uses less digits than its factorization.

827807694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478.

The product of its (nonzero) digits is 1354752, while the sum is 51.

The square root of 827807694 is about 28771.6473980897. The cubic root of 827807694 is about 938.9514844150.

The spelling of 827807694 in words is "eight hundred twenty-seven million, eight hundred seven thousand, six hundred ninety-four".