100866755 has 16 divisors (see below), whose sum is σ = 132365664. Its totient is φ = 73178880.

The previous prime is 100866749. The next prime is 100866757. The reversal of 100866755 is 557668001.

It is a happy number.

It is not a de Polignac number, because 100866755 - 2⁴ = 100866739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100866757) 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 in 15 ways as a sum of consecutive naturals, for example, 23129 + ... + 27141.

It is an arithmetic number, because the mean of its divisors is an integer number (8272854).

Almost surely, 2^100866755 is an apocalyptic number.

100866755 is a deficient number, since it is larger than the sum of its proper divisors (31498909).

100866755 is a wasteful number, since it uses less digits than its factorization.

100866755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4486.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 100866755 is about 10043.2442467561. The cubic root of 100866755 is about 465.4960675102.

The spelling of 100866755 in words is "one hundred million, eight hundred sixty-six thousand, seven hundred fifty-five".