38578685825787 has 8 divisors (see below), whose sum is σ = 51633830459904. Its totient is φ = 25621332537768.

The previous prime is 38578685825767. The next prime is 38578685825803. The reversal of 38578685825787 is 78752858687583.

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

It is not a de Polignac number, because 38578685825787 - 2²⁰ = 38578684777211 is a prime.

It is a super-2 number, since 2×38578685825787² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38578685825717) 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, 24447835603 + ... + 24447837180.

It is an arithmetic number, because the mean of its divisors is an integer number (6454228807488).

Almost surely, 2^{38578685825787} is an apocalyptic number.

38578685825787 is a deficient number, since it is larger than the sum of its proper divisors (13055144634117).

38578685825787 is a wasteful number, since it uses less digits than its factorization.

38578685825787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48895673049.

The product of its digits is 50577408000, while the sum is 87.

The spelling of 38578685825787 in words is "thirty-eight trillion, five hundred seventy-eight billion, six hundred eighty-five million, eight hundred twenty-five thousand, seven hundred eighty-seven".