100669879 has 2 divisors, whose sum is σ = 100669880. Its totient is φ = 100669878.

The previous prime is 100669823. The next prime is 100669889. The reversal of 100669879 is 978966001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100669879 - 2¹⁵ = 100637111 is a prime.

It is equal to p_5797765 and since 100669879 and 5797765 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100669889) 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 as a sum of consecutive naturals, namely, 50334939 + 50334940.

It is an arithmetic number, because the mean of its divisors is an integer number (50334940).

Almost surely, 2^100669879 is an apocalyptic number.

100669879 is a deficient number, since it is larger than the sum of its proper divisors (1).

100669879 is an equidigital number, since it uses as much as digits as its factorization.

100669879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 100669879 is about 10033.4380448578. The cubic root of 100669879 is about 465.1930119459.

The spelling of 100669879 in words is "one hundred million, six hundred sixty-nine thousand, eight hundred seventy-nine".