38508278667 has 8 divisors (see below), whose sum is σ = 51345495696. Its totient is φ = 25671623712.

The previous prime is 38508278659. The next prime is 38508278681. The reversal of 38508278667 is 76687280583.

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

It is not a de Polignac number, because 38508278667 - 2³ = 38508278659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38508278667.

It is not an unprimeable number, because it can be changed into a prime (38508270667) 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, 60373 + ... + 284009.

It is an arithmetic number, because the mean of its divisors is an integer number (6418186962).

Almost surely, 2^38508278667 is an apocalyptic number.

38508278667 is a deficient number, since it is larger than the sum of its proper divisors (12837217029).

38508278667 is a wasteful number, since it uses less digits than its factorization.

38508278667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281037.

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 38508278667 in words is "thirty-eight billion, five hundred eight million, two hundred seventy-eight thousand, six hundred sixty-seven".