38393587672 has 32 divisors (see below), whose sum is σ = 78769656000. Its totient is φ = 17398893600.

The previous prime is 38393587663. The next prime is 38393587681. The reversal of 38393587672 is 27678539383.

It is an interprime number because it is at equal distance from previous prime (38393587663) and next prime (38393587681).

It is a self number, because there is not a number n which added to its sum of digits gives 38393587672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629922 + ... + 688177.

It is an arithmetic number, because the mean of its divisors is an integer number (2461551750).

Almost surely, 2^38393587672 is an apocalyptic number.

It is an amenable number.

38393587672 is an abundant number, since it is smaller than the sum of its proper divisors (40376068328).

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

38393587672 is a wasteful number, since it uses less digits than its factorization.

38393587672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318447 (or 1318443 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 61.

The spelling of 38393587672 in words is "thirty-eight billion, three hundred ninety-three million, five hundred eighty-seven thousand, six hundred seventy-two".