98779837 has 8 divisors (see below), whose sum is σ = 106846040. Its totient is φ = 90780480.

The previous prime is 98779831. The next prime is 98779867. The reversal of 98779837 is 73897789.

It is a happy number.

It is the 4058-th star number.

It can be written as a sum of positive squares in 4 ways, for example, as 16859236 + 81920601 = 4106^2 + 9051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98779837 - 2¹⁵ = 98747069 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 (98779831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13614 + ... + 19567.

It is an arithmetic number, because the mean of its divisors is an integer number (13355755).

Almost surely, 2^98779837 is an apocalyptic number.

It is an amenable number.

98779837 is a deficient number, since it is larger than the sum of its proper divisors (8066203).

98779837 is a wasteful number, since it uses less digits than its factorization.

98779837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33423.

The product of its digits is 5334336, while the sum is 58.

The square root of 98779837 is about 9938.8046061888. The cubic root of 98779837 is about 462.2633210262.

The spelling of 98779837 in words is "ninety-eight million, seven hundred seventy-nine thousand, eight hundred thirty-seven".