10098779 has 4 divisors (see below), whose sum is σ = 10289376. Its totient is φ = 9908184.

The previous prime is 10098721. The next prime is 10098791. The reversal of 10098779 is 97789001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10098779 - 2¹² = 10094683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10098719) 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, 95219 + ... + 95324.

It is an arithmetic number, because the mean of its divisors is an integer number (2572344).

Almost surely, 2^10098779 is an apocalyptic number.

10098779 is a deficient number, since it is larger than the sum of its proper divisors (190597).

10098779 is an equidigital number, since it uses as much as digits as its factorization.

10098779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190596.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 10098779 is about 3177.8576116623. The cubic root of 10098779 is about 216.1505223684.

The spelling of 10098779 in words is "ten million, ninety-eight thousand, seven hundred seventy-nine".