99828551 has 2 divisors, whose sum is σ = 99828552. Its totient is φ = 99828550.

The previous prime is 99828523. The next prime is 99828557. The reversal of 99828551 is 15582899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99828551 - 2¹⁰ = 99827527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99828496 and 99828505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99828557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49914275 + 49914276.

It is an arithmetic number, because the mean of its divisors is an integer number (49914276).

Almost surely, 2^99828551 is an apocalyptic number.

99828551 is a deficient number, since it is larger than the sum of its proper divisors (1).

99828551 is an equidigital number, since it uses as much as digits as its factorization.

99828551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 47.

The square root of 99828551 is about 9991.4238725019. The cubic root of 99828551 is about 463.8934663639.

The spelling of 99828551 in words is "ninety-nine million, eight hundred twenty-eight thousand, five hundred fifty-one".