108765947 has 4 divisors (see below), whose sum is σ = 108961776. Its totient is φ = 108570120.

The previous prime is 108765929. The next prime is 108765953. The reversal of 108765947 is 749567801.

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 108765947 - 2⁶ = 108765883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108762947) 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, 97079 + ... + 98192.

It is an arithmetic number, because the mean of its divisors is an integer number (27240444).

Almost surely, 2^108765947 is an apocalyptic number.

108765947 is a deficient number, since it is larger than the sum of its proper divisors (195829).

108765947 is an equidigital number, since it uses as much as digits as its factorization.

108765947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195828.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 108765947 is about 10429.0913794060. The cubic root of 108765947 is about 477.3434655896.

The spelling of 108765947 in words is "one hundred eight million, seven hundred sixty-five thousand, nine hundred forty-seven".