98725789 has 4 divisors (see below), whose sum is σ = 98768124. Its totient is φ = 98683456.

The previous prime is 98725787. The next prime is 98725811. The reversal of 98725789 is 98752789.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78322500 + 20403289 = 8850^2 + 4517^2 .

It is a cyclic number.

It is not a de Polignac number, because 98725789 - 2¹ = 98725787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98725787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17452 + ... + 22405.

It is an arithmetic number, because the mean of its divisors is an integer number (24692031).

Almost surely, 2^98725789 is an apocalyptic number.

It is an amenable number.

98725789 is a deficient number, since it is larger than the sum of its proper divisors (42335).

98725789 is a wasteful number, since it uses less digits than its factorization.

98725789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42334.

The product of its digits is 2540160, while the sum is 55.

The square root of 98725789 is about 9936.0851948844. The cubic root of 98725789 is about 462.1789955642.

Subtracting 98725789 from its reverse (98752789), we obtain a cube (27000 = 30³).

The spelling of 98725789 in words is "ninety-eight million, seven hundred twenty-five thousand, seven hundred eighty-nine".