109427587 has 4 divisors (see below), whose sum is σ = 110124736. Its totient is φ = 108730440.

The previous prime is 109427579. The next prime is 109427597. The reversal of 109427587 is 785724901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109427587 - 2³ = 109427579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109427557) 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, 348339 + ... + 348652.

It is an arithmetic number, because the mean of its divisors is an integer number (27531184).

Almost surely, 2^109427587 is an apocalyptic number.

109427587 is a deficient number, since it is larger than the sum of its proper divisors (697149).

109427587 is an equidigital number, since it uses as much as digits as its factorization.

109427587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697148.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 109427587 is about 10460.7641690270. The cubic root of 109427587 is about 478.3094274603.

The spelling of 109427587 in words is "one hundred nine million, four hundred twenty-seven thousand, five hundred eighty-seven".