38025977281 has 8 divisors (see below), whose sum is σ = 40293348480. Its totient is φ = 35762000448.

The previous prime is 38025977273. The next prime is 38025977291. The reversal of 38025977281 is 18277952083.

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 38025977281 - 2³ = 38025977273 is a prime.

It is a super-2 number, since 2×38025977281² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38025977201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825501 + ... + 870346.

It is an arithmetic number, because the mean of its divisors is an integer number (5036668560).

Almost surely, 2^38025977281 is an apocalyptic number.

It is an amenable number.

38025977281 is a deficient number, since it is larger than the sum of its proper divisors (2267371199).

38025977281 is a wasteful number, since it uses less digits than its factorization.

38025977281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697183.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 38025977281 in words is "thirty-eight billion, twenty-five million, nine hundred seventy-seven thousand, two hundred eighty-one".