38378866887383 has 4 divisors (see below), whose sum is σ = 41867854786248. Its totient is φ = 34889878988520.

The previous prime is 38378866887337. The next prime is 38378866887419.

38378866887383 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38378866887383 - 2¹⁶ = 38378866821847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38378866887295 and 38378866887304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38378866887083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1744493949416 + ... + 1744493949437.

It is an arithmetic number, because the mean of its divisors is an integer number (10466963696562).

Almost surely, 2^{38378866887383} is an apocalyptic number.

38378866887383 is a deficient number, since it is larger than the sum of its proper divisors (3488987898865).

38378866887383 is a wasteful number, since it uses less digits than its factorization.

38378866887383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3488987898864.

The product of its digits is 37456183296, while the sum is 86.

The spelling of 38378866887383 in words is "thirty-eight trillion, three hundred seventy-eight billion, eight hundred sixty-six million, eight hundred eighty-seven thousand, three hundred eighty-three".