38796781500 has 144 divisors (see below), whose sum is σ = 123941301120. Its totient is φ = 10214755200.

The previous prime is 38796781459. The next prime is 38796781603. The reversal of 38796781500 is 518769783.

38796781500 is a `hidden beast` number, since 3 + 8 + 79 + 67 + 8 + 1 + 500 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 300934 + ... + 410066.

It is an arithmetic number, because the mean of its divisors is an integer number (860703480).

Almost surely, 2^38796781500 is an apocalyptic number.

38796781500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38796781500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61970650560).

38796781500 is an abundant number, since it is smaller than the sum of its proper divisors (85144519620).

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

38796781500 is a wasteful number, since it uses less digits than its factorization.

38796781500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109237 (or 109222 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 38796781500 in words is "thirty-eight billion, seven hundred ninety-six million, seven hundred eighty-one thousand, five hundred".