98811901 has 2 divisors, whose sum is σ = 98811902. Its totient is φ = 98811900.

The previous prime is 98811877. The next prime is 98811919. The reversal of 98811901 is 10911889.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96924025 + 1887876 = 9845^2 + 1374^2 .

It is an emirp because it is prime and its reverse (10911889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98811901 - 2⁷ = 98811773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98811101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49405950 + 49405951.

It is an arithmetic number, because the mean of its divisors is an integer number (49405951).

Almost surely, 2^98811901 is an apocalyptic number.

It is an amenable number.

98811901 is a deficient number, since it is larger than the sum of its proper divisors (1).

98811901 is an equidigital number, since it uses as much as digits as its factorization.

98811901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 37.

The square root of 98811901 is about 9940.4175465621. The cubic root of 98811901 is about 462.3133326079.

The spelling of 98811901 in words is "ninety-eight million, eight hundred eleven thousand, nine hundred one".