64067257839 has 16 divisors (see below), whose sum is σ = 92145600512. Its totient is φ = 39361038048.

The previous prime is 64067257829. The next prime is 64067257853. The reversal of 64067257839 is 93875276046.

It is not a de Polignac number, because 64067257839 - 2¹³ = 64067249647 is a prime.

It is a super-2 number, since 2×64067257839² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64067257829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1329499 + ... + 1376844.

It is an arithmetic number, because the mean of its divisors is an integer number (5759100032).

Almost surely, 2^64067257839 is an apocalyptic number.

64067257839 is a deficient number, since it is larger than the sum of its proper divisors (28078342673).

64067257839 is a wasteful number, since it uses less digits than its factorization.

64067257839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706966.

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 64067257839 in words is "sixty-four billion, sixty-seven million, two hundred fifty-seven thousand, eight hundred thirty-nine".