16780859039 has 12 divisors (see below), whose sum is σ = 19562417784. Its totient is φ = 14352773904.

The previous prime is 16780859009. The next prime is 16780859083. The reversal of 16780859039 is 93095808761.

It is not a de Polignac number, because 16780859039 - 2¹² = 16780854943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16780859009) 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, 343784 + ... + 389549.

It is an arithmetic number, because the mean of its divisors is an integer number (1630201482).

Almost surely, 2^16780859039 is an apocalyptic number.

16780859039 is a deficient number, since it is larger than the sum of its proper divisors (2781558745).

16780859039 is an equidigital number, since it uses as much as digits as its factorization.

16780859039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733814 (or 733807 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 16780859039 in words is "sixteen billion, seven hundred eighty million, eight hundred fifty-nine thousand, thirty-nine".