828288157 has 2 divisors, whose sum is σ = 828288158. Its totient is φ = 828288156.

The previous prime is 828288151. The next prime is 828288193. The reversal of 828288157 is 751882828.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 687960441 + 140327716 = 26229^2 + 11846^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-828288157 is a prime.

It is a super-2 number, since 2×828288157² = 1372122542052913298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 828288157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (828288151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414144078 + 414144079.

It is an arithmetic number, because the mean of its divisors is an integer number (414144079).

Almost surely, 2^828288157 is an apocalyptic number.

It is an amenable number.

828288157 is a deficient number, since it is larger than the sum of its proper divisors (1).

828288157 is an equidigital number, since it uses as much as digits as its factorization.

828288157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 573440, while the sum is 49.

The square root of 828288157 is about 28779.9957783180. The cubic root of 828288157 is about 939.1331063863.

The spelling of 828288157 in words is "eight hundred twenty-eight million, two hundred eighty-eight thousand, one hundred fifty-seven".