98765501 has 4 divisors (see below), whose sum is σ = 98948604. Its totient is φ = 98582400.

The previous prime is 98765441. The next prime is 98765507. The reversal of 98765501 is 10556789.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10556789 = 257 ⋅41077.

It can be written as a sum of positive squares in 2 ways, for example, as 71995225 + 26770276 = 8485^2 + 5174^2 .

It is a cyclic number.

It is not a de Polignac number, because 98765501 - 2¹⁸ = 98503357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98765507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90740 + ... + 91821.

It is an arithmetic number, because the mean of its divisors is an integer number (24737151).

Almost surely, 2^98765501 is an apocalyptic number.

It is an amenable number.

98765501 is a deficient number, since it is larger than the sum of its proper divisors (183103).

98765501 is a wasteful number, since it uses less digits than its factorization.

98765501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183102.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 98765501 is about 9938.0833665250. The cubic root of 98765501 is about 462.2409570573.

The spelling of 98765501 in words is "ninety-eight million, seven hundred sixty-five thousand, five hundred one".