1785728100014 has 8 divisors (see below), whose sum is σ = 2750986532568. Its totient is φ = 868732589160.

The previous prime is 1785728099999. The next prime is 1785728100043. The reversal of 1785728100014 is 4100018275871.

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

It is a super-2 number, since 2×1785728100014² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12065730332 + ... + 12065730479.

It is an arithmetic number, because the mean of its divisors is an integer number (343873316571).

Almost surely, 2^{1785728100014} is an apocalyptic number.

1785728100014 is a deficient number, since it is larger than the sum of its proper divisors (965258432554).

1785728100014 is a wasteful number, since it uses less digits than its factorization.

1785728100014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24131460850.

The product of its (nonzero) digits is 125440, while the sum is 44.

The spelling of 1785728100014 in words is "one trillion, seven hundred eighty-five billion, seven hundred twenty-eight million, one hundred thousand, fourteen".