828479971 has 16 divisors (see below), whose sum is σ = 952876800. Its totient is φ = 712389600.

The previous prime is 828479969. The next prime is 828479999. The reversal of 828479971 is 179974828.

It is a happy number.

828479971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 828479971 - 2¹ = 828479969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828479671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145386 + ... + 150976.

It is an arithmetic number, because the mean of its divisors is an integer number (59554800).

Almost surely, 2^828479971 is an apocalyptic number.

828479971 is a deficient number, since it is larger than the sum of its proper divisors (124396829).

828479971 is a wasteful number, since it uses less digits than its factorization.

828479971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330.

The product of its digits is 2032128, while the sum is 55.

The square root of 828479971 is about 28783.3280042458. The cubic root of 828479971 is about 939.2055952387.

The spelling of 828479971 in words is "eight hundred twenty-eight million, four hundred seventy-nine thousand, nine hundred seventy-one".