98288557 has 2 divisors, whose sum is σ = 98288558. Its totient is φ = 98288556.

The previous prime is 98288551. The next prime is 98288563. The reversal of 98288557 is 75588289.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (98288551) and next prime (98288563).

It can be written as a sum of positive squares in only one way, i.e., 63584676 + 34703881 = 7974^2 + 5891^2 .

It is a cyclic number.

It is not a de Polignac number, because 98288557 - 2³ = 98288549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98288551) 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, 49144278 + 49144279.

It is an arithmetic number, because the mean of its divisors is an integer number (49144279).

Almost surely, 2^98288557 is an apocalyptic number.

It is an amenable number.

98288557 is a deficient number, since it is larger than the sum of its proper divisors (1).

98288557 is an equidigital number, since it uses as much as digits as its factorization.

98288557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1612800, while the sum is 52.

The square root of 98288557 is about 9914.0585533877. The cubic root of 98288557 is about 461.4956938498.

The spelling of 98288557 in words is "ninety-eight million, two hundred eighty-eight thousand, five hundred fifty-seven".