64798225782 has 16 divisors (see below), whose sum is σ = 129618861552. Its totient is φ = 21595673600.

The previous prime is 64798225777. The next prime is 64798225783. The reversal of 64798225782 is 28752289746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64798225783) 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, 896043 + ... + 965654.

It is an arithmetic number, because the mean of its divisors is an integer number (8101178847).

Almost surely, 2^64798225782 is an apocalyptic number.

64798225782 is an abundant number, since it is smaller than the sum of its proper divisors (64820635770).

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

64798225782 is a wasteful number, since it uses less digits than its factorization.

64798225782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867503.

The product of its digits is 27095040, while the sum is 60.

The spelling of 64798225782 in words is "sixty-four billion, seven hundred ninety-eight million, two hundred twenty-five thousand, seven hundred eighty-two".