828050691 has 16 divisors (see below), whose sum is σ = 1195042464. Its totient is φ = 506978304.

The previous prime is 828050689. The next prime is 828050711. The reversal of 828050691 is 196050828.

It is not a de Polignac number, because 828050691 - 2¹ = 828050689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (828050651) 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 15 ways as a sum of consecutive naturals, for example, 46206 + ... + 61571.

It is an arithmetic number, because the mean of its divisors is an integer number (74690154).

Almost surely, 2^828050691 is an apocalyptic number.

828050691 is a deficient number, since it is larger than the sum of its proper divisors (366991773).

828050691 is a wasteful number, since it uses less digits than its factorization.

828050691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107990.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 828050691 is about 28775.8699434092. The cubic root of 828050691 is about 939.0433495804.

The spelling of 828050691 in words is "eight hundred twenty-eight million, fifty thousand, six hundred ninety-one".