108856997 has 8 divisors (see below), whose sum is σ = 111962136. Its totient is φ = 105760512.

The previous prime is 108856991. The next prime is 108857017. The reversal of 108856997 is 799658801.

It can be written as a sum of positive squares in 4 ways, for example, as 54893281 + 53963716 = 7409^2 + 7346^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108856997 - 2¹² = 108852901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108856991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29993 + ... + 33425.

It is an arithmetic number, because the mean of its divisors is an integer number (13995267).

Almost surely, 2^108856997 is an apocalyptic number.

It is an amenable number.

108856997 is a deficient number, since it is larger than the sum of its proper divisors (3105139).

108856997 is an equidigital number, since it uses as much as digits as its factorization.

108856997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The square root of 108856997 is about 10433.4556595598. The cubic root of 108856997 is about 477.4766261413.

It can be divided in two parts, 1088 and 56997, that added together give a palindrome (58085).

The spelling of 108856997 in words is "one hundred eight million, eight hundred fifty-six thousand, nine hundred ninety-seven".