64072308783 has 16 divisors (see below), whose sum is σ = 97642423296. Its totient is φ = 36609587040.

The previous prime is 64072308779. The next prime is 64072308791. The reversal of 64072308783 is 38780327046.

It is not a de Polignac number, because 64072308783 - 2² = 64072308779 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64072308793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129373 + ... + 380633.

It is an arithmetic number, because the mean of its divisors is an integer number (6102651456).

Almost surely, 2^64072308783 is an apocalyptic number.

64072308783 is a deficient number, since it is larger than the sum of its proper divisors (33570114513).

64072308783 is a wasteful number, since it uses less digits than its factorization.

64072308783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263414.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 64072308783 in words is "sixty-four billion, seventy-two million, three hundred eight thousand, seven hundred eighty-three".