100609087 has 2 divisors, whose sum is σ = 100609088. Its totient is φ = 100609086.

The previous prime is 100609081. The next prime is 100609097. The reversal of 100609087 is 780906001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100609087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100609081) 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, 50304543 + 50304544.

It is an arithmetic number, because the mean of its divisors is an integer number (50304544).

Almost surely, 2^100609087 is an apocalyptic number.

100609087 is a deficient number, since it is larger than the sum of its proper divisors (1).

100609087 is an equidigital number, since it uses as much as digits as its factorization.

100609087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 100609087 is about 10030.4081173201. The cubic root of 100609087 is about 465.0993536498.

The spelling of 100609087 in words is "one hundred million, six hundred nine thousand, eighty-seven".