38781198748 has 12 divisors (see below), whose sum is σ = 70817841360. Its totient is φ = 18547529792.

The previous prime is 38781198721. The next prime is 38781198773. The reversal of 38781198748 is 84789118783.

It is a self number, because there is not a number n which added to its sum of digits gives 38781198748.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210767293 + ... + 210767476.

It is an arithmetic number, because the mean of its divisors is an integer number (5901486780).

Almost surely, 2^38781198748 is an apocalyptic number.

It is an amenable number.

38781198748 is a deficient number, since it is larger than the sum of its proper divisors (32036642612).

38781198748 is a wasteful number, since it uses less digits than its factorization.

38781198748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421534796 (or 421534794 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 64.

The spelling of 38781198748 in words is "thirty-eight billion, seven hundred eighty-one million, one hundred ninety-eight thousand, seven hundred forty-eight".