38885287849 has 8 divisors (see below), whose sum is σ = 39024989640. Its totient is φ = 38745634176.

The previous prime is 38885287829. The next prime is 38885287853. The reversal of 38885287849 is 94878258883.

It can be written as a sum of positive squares in 4 ways, for example, as 12950440000 + 25934847849 = 113800^2 + 161043^2 .

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 38885287849 - 2¹⁷ = 38885156777 is a prime.

It is a super-2 number, since 2×38885287849² (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 (38885287829) 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, 2620519 + ... + 2635315.

It is an arithmetic number, because the mean of its divisors is an integer number (4878123705).

Almost surely, 2^38885287849 is an apocalyptic number.

It is an amenable number.

38885287849 is a deficient number, since it is larger than the sum of its proper divisors (139701791).

38885287849 is a wasteful number, since it uses less digits than its factorization.

38885287849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24059.

The product of its digits is 247726080, while the sum is 70.

The spelling of 38885287849 in words is "thirty-eight billion, eight hundred eighty-five million, two hundred eighty-seven thousand, eight hundred forty-nine".