65340882784 has 24 divisors (see below), whose sum is σ = 128738822688. Its totient is φ = 32645308800.

The previous prime is 65340882779. The next prime is 65340882791. The reversal of 65340882784 is 48728804356.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743112 + ... + 826375.

It is an arithmetic number, because the mean of its divisors is an integer number (5364117612).

Almost surely, 2^65340882784 is an apocalyptic number.

It is an amenable number.

65340882784 is a deficient number, since it is larger than the sum of its proper divisors (63397939904).

65340882784 is a wasteful number, since it uses less digits than its factorization.

65340882784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570798 (or 1570790 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 55.

The spelling of 65340882784 in words is "sixty-five billion, three hundred forty million, eight hundred eighty-two thousand, seven hundred eighty-four".