38667478069 has 8 divisors (see below), whose sum is σ = 42246721440. Its totient is φ = 35098904400.

The previous prime is 38667478043. The next prime is 38667478079. The reversal of 38667478069 is 96087476683.

It is a happy number.

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 38667478069 - 2¹⁵ = 38667445301 is a prime.

It is a super-2 number, since 2×38667478069² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38667478069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38667478009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2659842 + ... + 2674339.

It is an arithmetic number, because the mean of its divisors is an integer number (5280840180).

Almost surely, 2^38667478069 is an apocalyptic number.

It is an amenable number.

38667478069 is a deficient number, since it is larger than the sum of its proper divisors (3579243371).

38667478069 is a wasteful number, since it uses less digits than its factorization.

38667478069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5334851.

The product of its (nonzero) digits is 73156608, while the sum is 64.

The spelling of 38667478069 in words is "thirty-eight billion, six hundred sixty-seven million, four hundred seventy-eight thousand, sixty-nine".