98857901 has 2 divisors, whose sum is σ = 98857902. Its totient is φ = 98857900.

The previous prime is 98857883. The next prime is 98857921. The reversal of 98857901 is 10975889.

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., 98029801 + 828100 = 9901^2 + 910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98857901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98857921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49428950 + 49428951.

It is an arithmetic number, because the mean of its divisors is an integer number (49428951).

Almost surely, 2^98857901 is an apocalyptic number.

It is an amenable number.

98857901 is a deficient number, since it is larger than the sum of its proper divisors (1).

98857901 is an equidigital number, since it uses as much as digits as its factorization.

98857901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 47.

The square root of 98857901 is about 9942.7310634453. The cubic root of 98857901 is about 462.3850618695.

The spelling of 98857901 in words is "ninety-eight million, eight hundred fifty-seven thousand, nine hundred one".