1064523939787 has 12 divisors (see below), whose sum is σ = 1350898655256. Its totient is φ = 829499173440.

The previous prime is 1064523939757. The next prime is 1064523939833. The reversal of 1064523939787 is 7879393254601.

It is not a de Polignac number, because 1064523939787 - 2⁷ = 1064523939659 is a prime.

It is a super-2 number, since 2×1064523939787² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1064523939707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 987498478 + ... + 987499555.

It is an arithmetic number, because the mean of its divisors is an integer number (112574887938).

It is a 1-persistent number, because it is pandigital, but 2⋅1064523939787 = 2129047879574 is not.

Almost surely, 2^{1064523939787} is an apocalyptic number.

1064523939787 is a deficient number, since it is larger than the sum of its proper divisors (286374715469).

1064523939787 is a wasteful number, since it uses less digits than its factorization.

1064523939787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974998058 (or 1974998051 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 64.

The spelling of 1064523939787 in words is "one trillion, sixty-four billion, five hundred twenty-three million, nine hundred thirty-nine thousand, seven hundred eighty-seven".