38709000780 has 96 divisors (see below), whose sum is σ = 109687307520. Its totient is φ = 10199105280.

The previous prime is 38709000773. The next prime is 38709000817. The reversal of 38709000780 is 8700090783.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1748742 + ... + 1770738.

It is an arithmetic number, because the mean of its divisors is an integer number (1142576120).

Almost surely, 2^38709000780 is an apocalyptic number.

38709000780 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 38709000780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54843653760).

38709000780 is an abundant number, since it is smaller than the sum of its proper divisors (70978306740).

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

38709000780 is a wasteful number, since it uses less digits than its factorization.

38709000780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22359 (or 22357 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 38709000780 in words is "thirty-eight billion, seven hundred nine million, seven hundred eighty", and thus it is an aban number.