98801797 has 4 divisors (see below), whose sum is σ = 99523116. Its totient is φ = 98080480.

The previous prime is 98801783. The next prime is 98801839. The reversal of 98801797 is 79710889.

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 22221796 + 76580001 = 4714^2 + 8751^2 .

It is a cyclic number.

It is not a de Polignac number, because 98801797 - 2⁷ = 98801669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98801797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98801597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360454 + ... + 360727.

It is an arithmetic number, because the mean of its divisors is an integer number (24880779).

Almost surely, 2^98801797 is an apocalyptic number.

It is an amenable number.

98801797 is a deficient number, since it is larger than the sum of its proper divisors (721319).

98801797 is a wasteful number, since it uses less digits than its factorization.

98801797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721318.

The product of its (nonzero) digits is 254016, while the sum is 49.

The square root of 98801797 is about 9939.9093054213. The cubic root of 98801797 is about 462.2975741379.

The spelling of 98801797 in words is "ninety-eight million, eight hundred one thousand, seven hundred ninety-seven".