100328897 has 2 divisors, whose sum is σ = 100328898. Its totient is φ = 100328896.

The previous prime is 100328887. The next prime is 100328923. The reversal of 100328897 is 798823001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83156161 + 17172736 = 9119^2 + 4144^2 .

It is a cyclic number.

It is not a de Polignac number, because 100328897 - 2⁴ = 100328881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100328897.

It is not a weakly prime, because it can be changed into another prime (100328827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50164448 + 50164449.

It is an arithmetic number, because the mean of its divisors is an integer number (50164449).

Almost surely, 2^100328897 is an apocalyptic number.

It is an amenable number.

100328897 is a deficient number, since it is larger than the sum of its proper divisors (1).

100328897 is an equidigital number, since it uses as much as digits as its factorization.

100328897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 100328897 is about 10016.4313505360. The cubic root of 100328897 is about 464.6671947085.

The spelling of 100328897 in words is "one hundred million, three hundred twenty-eight thousand, eight hundred ninety-seven".