828069893 has 4 divisors (see below), whose sum is σ = 946365600. Its totient is φ = 709774188.

The previous prime is 828069889. The next prime is 828069901. The reversal of 828069893 is 398960828.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 828069893 - 2² = 828069889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828069793) 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 3 ways as a sum of consecutive naturals, for example, 59147843 + ... + 59147856.

It is an arithmetic number, because the mean of its divisors is an integer number (236591400).

Almost surely, 2^828069893 is an apocalyptic number.

It is an amenable number.

828069893 is a deficient number, since it is larger than the sum of its proper divisors (118295707).

828069893 is a wasteful number, since it uses less digits than its factorization.

828069893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118295706.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The square root of 828069893 is about 28776.2035890769. The cubic root of 828069893 is about 939.0506081421.

The spelling of 828069893 in words is "eight hundred twenty-eight million, sixty-nine thousand, eight hundred ninety-three".