38717483427857 has 8 divisors (see below), whose sum is σ = 41702855870760. Its totient is φ = 35733125911680.

The previous prime is 38717483427823. The next prime is 38717483427923. The reversal of 38717483427857 is 75872438471783.

It can be written as a sum of positive squares in 4 ways, for example, as 3948959865601 + 34768523562256 = 1987199^2 + 5896484^2 .

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 38717483427857 - 2⁶ = 38717483427793 is a prime.

It is a super-2 number, since 2×38717483427857² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38717483427757) 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, 253652444 + ... + 253805037.

It is an arithmetic number, because the mean of its divisors is an integer number (5212856983845).

Almost surely, 2^{38717483427857} is an apocalyptic number.

It is an amenable number.

38717483427857 is a deficient number, since it is larger than the sum of its proper divisors (2985372442903).

38717483427857 is a wasteful number, since it uses less digits than its factorization.

38717483427857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507463363.

The product of its digits is 1770209280, while the sum is 74.

The spelling of 38717483427857 in words is "thirty-eight trillion, seven hundred seventeen billion, four hundred eighty-three million, four hundred twenty-seven thousand, eight hundred fifty-seven".