828469097 has 4 divisors (see below), whose sum is σ = 828532356. Its totient is φ = 828405840.

The previous prime is 828469087. The next prime is 828469151. The reversal of 828469097 is 790964828.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 76667536 + 751801561 = 8756^2 + 27419^2 .

It is a cyclic number.

It is not a de Polignac number, because 828469097 - 2⁸ = 828468841 is a prime.

It is a super-2 number, since 2×828469097² = 1372722089367990818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828469087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3854 + ... + 40887.

It is an arithmetic number, because the mean of its divisors is an integer number (207133089).

Almost surely, 2^828469097 is an apocalyptic number.

It is an amenable number.

828469097 is a deficient number, since it is larger than the sum of its proper divisors (63259).

828469097 is a wasteful number, since it uses less digits than its factorization.

828469097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63258.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 828469097 is about 28783.1391095551. The cubic root of 828469097 is about 939.2014861205.

The spelling of 828469097 in words is "eight hundred twenty-eight million, four hundred sixty-nine thousand, ninety-seven".