65783345811 has 8 divisors (see below), whose sum is σ = 87759836304. Its totient is φ = 43831209600.

The previous prime is 65783345753. The next prime is 65783345857. The reversal of 65783345811 is 11854338756.

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

It is not a de Polignac number, because 65783345811 - 2¹⁰ = 65783344787 is a prime.

It is a super-2 number, since 2×65783345811² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65783355811) 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, 6082266 + ... + 6093071.

It is an arithmetic number, because the mean of its divisors is an integer number (10969979538).

Almost surely, 2^65783345811 is an apocalyptic number.

65783345811 is a deficient number, since it is larger than the sum of its proper divisors (21976490493).

65783345811 is a wasteful number, since it uses less digits than its factorization.

65783345811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12177141.

The product of its digits is 2419200, while the sum is 51.

The spelling of 65783345811 in words is "sixty-five billion, seven hundred eighty-three million, three hundred forty-five thousand, eight hundred eleven".