98811877 has 2 divisors, whose sum is σ = 98811878. Its totient is φ = 98811876.

The previous prime is 98811829. The next prime is 98811901. The reversal of 98811877 is 77811889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93199716 + 5612161 = 9654^2 + 2369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98811877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98811877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98811577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49405938 + 49405939.

It is an arithmetic number, because the mean of its divisors is an integer number (49405939).

Almost surely, 2^98811877 is an apocalyptic number.

It is an amenable number.

98811877 is a deficient number, since it is larger than the sum of its proper divisors (1).

98811877 is an equidigital number, since it uses as much as digits as its factorization.

98811877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 49.

The square root of 98811877 is about 9940.4163393693. The cubic root of 98811877 is about 462.3132951781.

The spelling of 98811877 in words is "ninety-eight million, eight hundred eleven thousand, eight hundred seventy-seven".