100282421779 has 8 divisors (see below), whose sum is σ = 106194151440. Its totient is φ = 94372110336.

The previous prime is 100282421773. The next prime is 100282421791. The reversal of 100282421779 is 977124282001.

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

It is a de Polignac number, because none of the positive numbers 2^k-100282421779 is a prime.

It is a super-2 number, since 2×100282421779² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100282421773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207214 + ... + 493459.

It is an arithmetic number, because the mean of its divisors is an integer number (13274268930).

Almost surely, 2^100282421779 is an apocalyptic number.

100282421779 is a deficient number, since it is larger than the sum of its proper divisors (5911729661).

100282421779 is an equidigital number, since it uses as much as digits as its factorization.

100282421779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709109.

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 100282421779 in words is "one hundred billion, two hundred eighty-two million, four hundred twenty-one thousand, seven hundred seventy-nine".