108472997 has 4 divisors (see below), whose sum is σ = 108611616. Its totient is φ = 108334380.

The previous prime is 108472993. The next prime is 108473009. The reversal of 108472997 is 799274801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 799274801 = 13 ⋅61482677.

It is a cyclic number.

It is not a de Polignac number, because 108472997 - 2² = 108472993 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 (108472993) 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, 68129 + ... + 69702.

It is an arithmetic number, because the mean of its divisors is an integer number (27152904).

Almost surely, 2^108472997 is an apocalyptic number.

It is an amenable number.

108472997 is a deficient number, since it is larger than the sum of its proper divisors (138619).

108472997 is an equidigital number, since it uses as much as digits as its factorization.

108472997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138618.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 108472997 is about 10415.0370618640. The cubic root of 108472997 is about 476.9145215847.

The spelling of 108472997 in words is "one hundred eight million, four hundred seventy-two thousand, nine hundred ninety-seven".