65452022784 has 154 divisors (see below), whose sum is σ = 196172689280. Its totient is φ = 21817092096.

The previous prime is 65452022761. The next prime is 65452022803. The reversal of 65452022784 is 48722025456.

65452022784 is a `hidden beast` number, since 6 + 54 + 520 + 2 + 2 + 78 + 4 = 666.

65452022784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×65452022784² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 702657 + ... + 790335.

Almost surely, 2^65452022784 is an apocalyptic number.

65452022784 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65452022784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98086344640).

65452022784 is an abundant number, since it is smaller than the sum of its proper divisors (130720666496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65452022784 is an frugal number, since it uses more digits than its factorization.

65452022784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87717 (or 87684 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The spelling of 65452022784 in words is "sixty-five billion, four hundred fifty-two million, twenty-two thousand, seven hundred eighty-four".