98779906 has 8 divisors (see below), whose sum is σ = 151783884. Its totient is φ = 48185280.

The previous prime is 98779903. The next prime is 98779921. The reversal of 98779906 is 60997789.

It can be written as a sum of positive squares in 2 ways, for example, as 97318225 + 1461681 = 9865^2 + 1209^2 .

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

It is not an unprimeable number, because it can be changed into a prime (98779903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602235 + ... + 602398.

Almost surely, 2^98779906 is an apocalyptic number.

98779906 is a deficient number, since it is larger than the sum of its proper divisors (53003978).

98779906 is a wasteful number, since it uses less digits than its factorization.

98779906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204676.

The product of its (nonzero) digits is 1714608, while the sum is 55.

The square root of 98779906 is about 9938.8080774306. The cubic root of 98779906 is about 462.2634286600.

The spelling of 98779906 in words is "ninety-eight million, seven hundred seventy-nine thousand, nine hundred six".