38387777667042 has 32 divisors (see below), whose sum is σ = 76792932033408. Its totient is φ = 12793030056576.

The previous prime is 38387777666983. The next prime is 38387777667047. The reversal of 38387777667042 is 24076677778383.

It is not an unprimeable number, because it can be changed into a prime (38387777667047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1141695043 + ... + 1141728665.

It is an arithmetic number, because the mean of its divisors is an integer number (2399779126044).

Almost surely, 2^{38387777667042} is an apocalyptic number.

38387777667042 is an abundant number, since it is smaller than the sum of its proper divisors (38405154366366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38387777667042 is a wasteful number, since it uses less digits than its factorization.

38387777667042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71034.

The product of its (nonzero) digits is 2788079616, while the sum is 75.

The spelling of 38387777667042 in words is "thirty-eight trillion, three hundred eighty-seven billion, seven hundred seventy-seven million, six hundred sixty-seven thousand, forty-two".