104865997 has 4 divisors (see below), whose sum is σ = 110385280. Its totient is φ = 99346716.

The previous prime is 104865991. The next prime is 104866009. The reversal of 104865997 is 799568401.

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: 799568401 = 79 ⋅10121119.

It is a cyclic number.

It is not a de Polignac number, because 104865997 - 2³ = 104865989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104865997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104865991) 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, 2759613 + ... + 2759650.

It is an arithmetic number, because the mean of its divisors is an integer number (27596320).

Almost surely, 2^104865997 is an apocalyptic number.

It is an amenable number.

104865997 is a deficient number, since it is larger than the sum of its proper divisors (5519283).

104865997 is an equidigital number, since it uses as much as digits as its factorization.

104865997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5519282.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 104865997 is about 10240.4100015576. The cubic root of 104865997 is about 471.5686188974.

The spelling of 104865997 in words is "one hundred four million, eight hundred sixty-five thousand, nine hundred ninety-seven".