98437087789 has 2 divisors, whose sum is σ = 98437087790. Its totient is φ = 98437087788.

The previous prime is 98437087769. The next prime is 98437087813. The reversal of 98437087789 is 98778073489.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84540214564 + 13896873225 = 290758^2 + 117885^2 .

It is a cyclic number.

It is not a de Polignac number, because 98437087789 - 2¹¹ = 98437085741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98437087729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49218543894 + 49218543895.

It is an arithmetic number, because the mean of its divisors is an integer number (49218543895).

Almost surely, 2^98437087789 is an apocalyptic number.

It is an amenable number.

98437087789 is a deficient number, since it is larger than the sum of its proper divisors (1).

98437087789 is an equidigital number, since it uses as much as digits as its factorization.

98437087789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170698752, while the sum is 70.

The spelling of 98437087789 in words is "ninety-eight billion, four hundred thirty-seven million, eighty-seven thousand, seven hundred eighty-nine".