828787113 has 64 divisors (see below), whose sum is σ = 1546352640. Its totient is φ = 426168000.

The previous prime is 828787097. The next prime is 828787151. The reversal of 828787113 is 311787828.

It is not a de Polignac number, because 828787113 - 2⁴ = 828787097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (828787153) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 208006 + ... + 211952.

It is an arithmetic number, because the mean of its divisors is an integer number (24161760).

Almost surely, 2^828787113 is an apocalyptic number.

It is an amenable number.

828787113 is a deficient number, since it is larger than the sum of its proper divisors (717565527).

828787113 is a wasteful number, since it uses less digits than its factorization.

828787113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075 (or 4069 counting only the distinct ones).

The product of its digits is 150528, while the sum is 45.

The square root of 828787113 is about 28788.6629248390. The cubic root of 828787113 is about 939.3216446522.

The spelling of 828787113 in words is "eight hundred twenty-eight million, seven hundred eighty-seven thousand, one hundred thirteen".