100785327 has 4 divisors (see below), whose sum is σ = 134380440. Its totient is φ = 67190216.

The previous prime is 100785319. The next prime is 100785361. The reversal of 100785327 is 723587001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 723587001 = 3 ⋅241195667.

It is a cyclic number.

It is not a de Polignac number, because 100785327 - 2³ = 100785319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100785127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16797552 + ... + 16797557.

It is an arithmetic number, because the mean of its divisors is an integer number (33595110).

Almost surely, 2^100785327 is an apocalyptic number.

100785327 is a deficient number, since it is larger than the sum of its proper divisors (33595113).

100785327 is an equidigital number, since it uses as much as digits as its factorization.

100785327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33595112.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 100785327 is about 10039.1895589236. The cubic root of 100785327 is about 465.3707714592.

The spelling of 100785327 in words is "one hundred million, seven hundred eighty-five thousand, three hundred twenty-seven".