65803775397 has 8 divisors (see below), whose sum is σ = 87753780000. Its totient is φ = 43861477200.

The previous prime is 65803775383. The next prime is 65803775431. The reversal of 65803775397 is 79357730856.

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

It is not a de Polignac number, because 65803775397 - 2¹⁶ = 65803709861 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 65803775397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65803775197) 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, 1906647 + ... + 1940852.

It is an arithmetic number, because the mean of its divisors is an integer number (10969222500).

Almost surely, 2^65803775397 is an apocalyptic number.

It is an amenable number.

65803775397 is a deficient number, since it is larger than the sum of its proper divisors (21950004603).

65803775397 is a wasteful number, since it uses less digits than its factorization.

65803775397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853203.

The product of its (nonzero) digits is 33339600, while the sum is 60.

The spelling of 65803775397 in words is "sixty-five billion, eight hundred three million, seven hundred seventy-five thousand, three hundred ninety-seven".