2064783766 has 8 divisors (see below), whose sum is σ = 3099524184. Its totient is φ = 1031609040.

The previous prime is 2064783697. The next prime is 2064783769. The reversal of 2064783766 is 6673874602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064783769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388120 + ... + 393403.

It is an arithmetic number, because the mean of its divisors is an integer number (387440523).

Almost surely, 2^2064783766 is an apocalyptic number.

2064783766 is a deficient number, since it is larger than the sum of its proper divisors (1034740418).

2064783766 is a wasteful number, since it uses less digits than its factorization.

2064783766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782846.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The square root of 2064783766 is about 45439.8917912444. The cubic root of 2064783766 is about 1273.3804922244.

The spelling of 2064783766 in words is "two billion, sixty-four million, seven hundred eighty-three thousand, seven hundred sixty-six".