38774883686538 has 16 divisors (see below), whose sum is σ = 77556912971616. Its totient is φ = 12923770295760.

The previous prime is 38774883686533. The next prime is 38774883686573. The reversal of 38774883686538 is 83568638847783.

It is not an unprimeable number, because it can be changed into a prime (38774883686533) 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, 297662728 + ... + 297792963.

It is an arithmetic number, because the mean of its divisors is an integer number (4847307060726).

Almost surely, 2^{38774883686538} is an apocalyptic number.

38774883686538 is an abundant number, since it is smaller than the sum of its proper divisors (38782029285078).

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

38774883686538 is a wasteful number, since it uses less digits than its factorization.

38774883686538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595466549.

The product of its digits is 31213486080, while the sum is 84.

The spelling of 38774883686538 in words is "thirty-eight trillion, seven hundred seventy-four billion, eight hundred eighty-three million, six hundred eighty-six thousand, five hundred thirty-eight".