98600857 has 2 divisors, whose sum is σ = 98600858. Its totient is φ = 98600856.

The previous prime is 98600837. The next prime is 98600891. The reversal of 98600857 is 75800689.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96353856 + 2247001 = 9816^2 + 1499^2 .

It is a cyclic number.

It is not a de Polignac number, because 98600857 - 2¹⁹ = 98076569 is a prime.

It is a super-2 number, since 2×98600857² = 19444258002268898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (98600807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49300428 + 49300429.

It is an arithmetic number, because the mean of its divisors is an integer number (49300429).

Almost surely, 2^98600857 is an apocalyptic number.

It is an amenable number.

98600857 is a deficient number, since it is larger than the sum of its proper divisors (1).

98600857 is an equidigital number, since it uses as much as digits as its factorization.

98600857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 98600857 is about 9929.7964228880. The cubic root of 98600857 is about 461.9839593264.

The spelling of 98600857 in words is "ninety-eight million, six hundred thousand, eight hundred fifty-seven".