38276840087857 has 6 divisors (see below), whose sum is σ = 44526120102258. Its totient is φ = 32808720075264.

The previous prime is 38276840087833. The next prime is 38276840087897. The reversal of 38276840087857 is 75878004867283.

It can be written as a sum of positive squares in only one way, i.e., 30887706944241 + 7389133143616 = 5557671^2 + 2718296^2 .

It is not a de Polignac number, because 38276840087857 - 2⁷ = 38276840087729 is a prime.

It is a super-2 number, since 2×38276840087857² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38276840087857.

It is not an unprimeable number, because it can be changed into a prime (38276840087807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 390580000848 + ... + 390580000945.

It is an arithmetic number, because the mean of its divisors is an integer number (7421020017043).

Almost surely, 2^{38276840087857} is an apocalyptic number.

It is an amenable number.

38276840087857 is a deficient number, since it is larger than the sum of its proper divisors (6249280014401).

38276840087857 is an equidigital number, since it uses as much as digits as its factorization.

38276840087857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781160001807 (or 781160001800 counting only the distinct ones).

The product of its (nonzero) digits is 1011548160, while the sum is 73.

The spelling of 38276840087857 in words is "thirty-eight trillion, two hundred seventy-six billion, eight hundred forty million, eighty-seven thousand, eight hundred fifty-seven".