2064273780782 has 16 divisors (see below), whose sum is σ = 3144910292160. Its totient is φ = 1016047888128.

The previous prime is 2064273780739. The next prime is 2064273780787. The reversal of 2064273780782 is 2870873724602.

It is a super-2 number, since 2×2064273780782² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064273780787) 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, 19331063 + ... + 19437554.

It is an arithmetic number, because the mean of its divisors is an integer number (196556893260).

Almost surely, 2^{2064273780782} is an apocalyptic number.

2064273780782 is a deficient number, since it is larger than the sum of its proper divisors (1080636511378).

2064273780782 is a wasteful number, since it uses less digits than its factorization.

2064273780782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38769035.

The product of its (nonzero) digits is 12644352, while the sum is 56.

The spelling of 2064273780782 in words is "two trillion, sixty-four billion, two hundred seventy-three million, seven hundred eighty thousand, seven hundred eighty-two".