100065775 has 6 divisors (see below), whose sum is σ = 124081592. Its totient is φ = 80052600.

The previous prime is 100065751. The next prime is 100065781. The reversal of 100065775 is 577560001.

It is not a de Polignac number, because 100065775 - 2⁵ = 100065743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 2001291 + ... + 2001340.

Almost surely, 2^100065775 is an apocalyptic number.

100065775 is a deficient number, since it is larger than the sum of its proper divisors (24015817).

100065775 is an equidigital number, since it uses as much as digits as its factorization.

100065775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002641 (or 4002636 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 100065775 is about 10003.2882093840. The cubic root of 100065775 is about 464.2606278922.

The spelling of 100065775 in words is "one hundred million, sixty-five thousand, seven hundred seventy-five".