98028857 has 2 divisors, whose sum is σ = 98028858. Its totient is φ = 98028856.

The previous prime is 98028767. The next prime is 98028859. The reversal of 98028857 is 75882089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59228416 + 38800441 = 7696^2 + 6229^2 .

It is an emirp because it is prime and its reverse (75882089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98028857 - 2¹⁰ = 98027833 is a prime.

Together with 98028859, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98028859) 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, 49014428 + 49014429.

It is an arithmetic number, because the mean of its divisors is an integer number (49014429).

Almost surely, 2^98028857 is an apocalyptic number.

It is an amenable number.

98028857 is a deficient number, since it is larger than the sum of its proper divisors (1).

98028857 is an equidigital number, since it uses as much as digits as its factorization.

98028857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 47.

The square root of 98028857 is about 9900.9523279329. The cubic root of 98028857 is about 461.0888776084.

The spelling of 98028857 in words is "ninety-eight million, twenty-eight thousand, eight hundred fifty-seven".