828547099 has 2 divisors, whose sum is σ = 828547100. Its totient is φ = 828547098.

The previous prime is 828547051. The next prime is 828547103. The reversal of 828547099 is 990745828.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-828547099 is a prime.

It is a super-2 number, since 2×828547099² = 1372980590522631602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (828547019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414273549 + 414273550.

It is an arithmetic number, because the mean of its divisors is an integer number (414273550).

Almost surely, 2^828547099 is an apocalyptic number.

828547099 is a deficient number, since it is larger than the sum of its proper divisors (1).

828547099 is an equidigital number, since it uses as much as digits as its factorization.

828547099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 828547099 is about 28784.4940723300. The cubic root of 828547099 is about 939.2309610865.

The spelling of 828547099 in words is "eight hundred twenty-eight million, five hundred forty-seven thousand, ninety-nine".