38700872333521 has 8 divisors (see below), whose sum is σ = 38755623386088. Its totient is φ = 38646145824000.

The previous prime is 38700872333399. The next prime is 38700872333593. The reversal of 38700872333521 is 12533327800783.

It can be written as a sum of positive squares in 4 ways, for example, as 1053628343296 + 37647243990225 = 1026464^2 + 6135735^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38700872333521 - 2⁹ = 38700872333009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38700872333021) 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, 2978670 + ... + 9288391.

It is an arithmetic number, because the mean of its divisors is an integer number (4844452923261).

Almost surely, 2^{38700872333521} is an apocalyptic number.

It is an amenable number.

38700872333521 is a deficient number, since it is larger than the sum of its proper divisors (54751052567).

38700872333521 is a wasteful number, since it uses less digits than its factorization.

38700872333521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12271523.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 38700872333521 in words is "thirty-eight trillion, seven hundred billion, eight hundred seventy-two million, three hundred thirty-three thousand, five hundred twenty-one".