3990739350287 has 16 divisors (see below), whose sum is σ = 4207429008000. Its totient is φ = 3774716108064.

The previous prime is 3990739350271. The next prime is 3990739350349. The reversal of 3990739350287 is 7820539370993.

It is a cyclic number.

It is not a de Polignac number, because 3990739350287 - 2⁴ = 3990739350271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3990739350217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170103764 + ... + 170127222.

It is an arithmetic number, because the mean of its divisors is an integer number (262964313000).

Almost surely, 2^{3990739350287} is an apocalyptic number.

3990739350287 is a deficient number, since it is larger than the sum of its proper divisors (216689657713).

3990739350287 is a wasteful number, since it uses less digits than its factorization.

3990739350287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37270.

The product of its (nonzero) digits is 77157360, while the sum is 65.

The spelling of 3990739350287 in words is "three trillion, nine hundred ninety billion, seven hundred thirty-nine million, three hundred fifty thousand, two hundred eighty-seven".