38387775645607 has 8 divisors (see below), whose sum is σ = 39034520635392. Its totient is φ = 37743977103000.

The previous prime is 38387775645589. The next prime is 38387775645613. The reversal of 38387775645607 is 70654657778383.

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

It is a cyclic number.

It is not a de Polignac number, because 38387775645607 - 2²³ = 38387767256999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38387775645647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736585519 + ... + 736637632.

It is an arithmetic number, because the mean of its divisors is an integer number (4879315079424).

Almost surely, 2^{38387775645607} is an apocalyptic number.

38387775645607 is a deficient number, since it is larger than the sum of its proper divisors (646744989785).

38387775645607 is a wasteful number, since it uses less digits than its factorization.

38387775645607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473223589.

The product of its (nonzero) digits is 4978713600, while the sum is 76.

The spelling of 38387775645607 in words is "thirty-eight trillion, three hundred eighty-seven billion, seven hundred seventy-five million, six hundred forty-five thousand, six hundred seven".