38705725965 has 16 divisors (see below), whose sum is σ = 61931697408. Its totient is φ = 20642208576.

The previous prime is 38705725963. The next prime is 38705726029. The reversal of 38705725965 is 56952750783.

It is a happy number.

It is not a de Polignac number, because 38705725965 - 2¹ = 38705725963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38705725963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541084 + ... + 608426.

It is an arithmetic number, because the mean of its divisors is an integer number (3870731088).

Almost surely, 2^38705725965 is an apocalyptic number.

It is an amenable number.

38705725965 is a deficient number, since it is larger than the sum of its proper divisors (23225971443).

38705725965 is a wasteful number, since it uses less digits than its factorization.

38705725965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105668.

The product of its (nonzero) digits is 15876000, while the sum is 57.

The spelling of 38705725965 in words is "thirty-eight billion, seven hundred five million, seven hundred twenty-five thousand, nine hundred sixty-five".