38712783285 has 24 divisors (see below), whose sum is σ = 73202354784. Its totient is φ = 18769834080.

The previous prime is 38712783283. The next prime is 38712783289. The reversal of 38712783285 is 58238721783.

It is not a de Polignac number, because 38712783285 - 2¹ = 38712783283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38712783281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39103327 + ... + 39104316.

It is an arithmetic number, because the mean of its divisors is an integer number (3050098116).

Almost surely, 2^38712783285 is an apocalyptic number.

It is an amenable number.

38712783285 is a deficient number, since it is larger than the sum of its proper divisors (34489571499).

38712783285 is a wasteful number, since it uses less digits than its factorization.

38712783285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78207665 (or 78207662 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The spelling of 38712783285 in words is "thirty-eight billion, seven hundred twelve million, seven hundred eighty-three thousand, two hundred eighty-five".