389752887041279 has 8 divisors (see below), whose sum is σ = 390934496023680. Its totient is φ = 388571302805400.

The previous prime is 389752887041233. The next prime is 389752887041333. The reversal of 389752887041279 is 972140788257983.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389752887041279 is a prime.

It is a super-3 number, since 3×389752887041279³ (a number of 45 digits) contains 333 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 (389752887043279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25608032 + ... + 37885050.

It is an arithmetic number, because the mean of its divisors is an integer number (48866812002960).

Almost surely, 2^{389752887041279} is an apocalyptic number.

389752887041279 is a deficient number, since it is larger than the sum of its proper divisors (1181608982401).

389752887041279 is a wasteful number, since it uses less digits than its factorization.

389752887041279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12373261.

The product of its (nonzero) digits is 3413975040, while the sum is 80.

The spelling of 389752887041279 in words is "three hundred eighty-nine trillion, seven hundred fifty-two billion, eight hundred eighty-seven million, forty-one thousand, two hundred seventy-nine".