38781085352207 has 32 divisors (see below), whose sum is σ = 44549957996544. Its totient is φ = 33438689049600.

The previous prime is 38781085352173. The next prime is 38781085352237. The reversal of 38781085352207 is 70225358018783.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 38781085352207 - 2¹² = 38781085348111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38781085352237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2284568 + ... + 9098429.

It is an arithmetic number, because the mean of its divisors is an integer number (1392186187392).

Almost surely, 2^{38781085352207} is an apocalyptic number.

38781085352207 is a deficient number, since it is larger than the sum of its proper divisors (5768872644337).

38781085352207 is a wasteful number, since it uses less digits than its factorization.

38781085352207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11383239.

The product of its (nonzero) digits is 22579200, while the sum is 59.

The spelling of 38781085352207 in words is "thirty-eight trillion, seven hundred eighty-one billion, eighty-five million, three hundred fifty-two thousand, two hundred seven".