38817647420704 has 48 divisors (see below), whose sum is σ = 78265388079648. Its totient is φ = 18941484022272.

The previous prime is 38817647420701. The next prime is 38817647420777. The reversal of 38817647420704 is 40702474671883.

It is not an unprimeable number, because it can be changed into a prime (38817647420701) 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, 10249797 + ... + 13516420.

It is an arithmetic number, because the mean of its divisors is an integer number (1630528918326).

Almost surely, 2^{38817647420704} is an apocalyptic number.

It is an amenable number.

38817647420704 is an abundant number, since it is smaller than the sum of its proper divisors (39447740658944).

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

38817647420704 is a wasteful number, since it uses less digits than its factorization.

38817647420704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23767457 (or 23767449 counting only the distinct ones).

The product of its (nonzero) digits is 50577408, while the sum is 61.

The spelling of 38817647420704 in words is "thirty-eight trillion, eight hundred seventeen billion, six hundred forty-seven million, four hundred twenty thousand, seven hundred four".