100328887 has 2 divisors, whose sum is σ = 100328888. Its totient is φ = 100328886.

The previous prime is 100328881. The next prime is 100328897. The reversal of 100328887 is 788823001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100328887 - 2¹⁹ = 99804599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100328881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50164443 + 50164444.

It is an arithmetic number, because the mean of its divisors is an integer number (50164444).

Almost surely, 2^100328887 is an apocalyptic number.

100328887 is a deficient number, since it is larger than the sum of its proper divisors (1).

100328887 is an equidigital number, since it uses as much as digits as its factorization.

100328887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 100328887 is about 10016.4308513562. The cubic root of 100328887 is about 464.6671792704.

It can be divided in two parts, 1003 and 28887, that added together give a triangular number (29890 = T₂₄₄).

The spelling of 100328887 in words is "one hundred million, three hundred twenty-eight thousand, eight hundred eighty-seven".