98680805 has 4 divisors (see below), whose sum is σ = 118416972. Its totient is φ = 78944640.

The previous prime is 98680793. The next prime is 98680819. The reversal of 98680805 is 50808689.

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 72965764 + 25715041 = 8542^2 + 5071^2 .

It is not a de Polignac number, because 98680805 - 2⁴ = 98680789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9868076 + ... + 9868085.

It is an arithmetic number, because the mean of its divisors is an integer number (29604243).

Almost surely, 2^98680805 is an apocalyptic number.

It is an amenable number.

98680805 is a deficient number, since it is larger than the sum of its proper divisors (19736167).

98680805 is a wasteful number, since it uses less digits than its factorization.

98680805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19736166.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 98680805 is about 9933.8212687767. The cubic root of 98680805 is about 462.1087882467.

The spelling of 98680805 in words is "ninety-eight million, six hundred eighty thousand, eight hundred five".