828488613 has 4 divisors (see below), whose sum is σ = 1104651488. Its totient is φ = 552325740.

The previous prime is 828488603. The next prime is 828488621. The reversal of 828488613 is 316884828.

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 not a de Polignac number, because 828488613 - 2¹⁰ = 828487589 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 (828488603) 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, 138081433 + ... + 138081438.

It is an arithmetic number, because the mean of its divisors is an integer number (276162872).

Almost surely, 2^828488613 is an apocalyptic number.

It is an amenable number.

828488613 is a deficient number, since it is larger than the sum of its proper divisors (276162875).

828488613 is a wasteful number, since it uses less digits than its factorization.

828488613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276162874.

The product of its digits is 589824, while the sum is 48.

The square root of 828488613 is about 28783.4781254802. The cubic root of 828488613 is about 939.2088608926.

The spelling of 828488613 in words is "eight hundred twenty-eight million, four hundred eighty-eight thousand, six hundred thirteen".