38005620085887 has 4 divisors (see below), whose sum is σ = 50674160114520. Its totient is φ = 25337080057256.

The previous prime is 38005620085883. The next prime is 38005620085897. The reversal of 38005620085887 is 78858002650083.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38005620085887 - 2² = 38005620085883 is a prime.

It is a super-2 number, since 2×38005620085887² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38005620085887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38005620085883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6334270014312 + ... + 6334270014317.

It is an arithmetic number, because the mean of its divisors is an integer number (12668540028630).

Almost surely, 2^{38005620085887} is an apocalyptic number.

38005620085887 is a deficient number, since it is larger than the sum of its proper divisors (12668540028633).

38005620085887 is a wasteful number, since it uses less digits than its factorization.

38005620085887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12668540028632.

The product of its (nonzero) digits is 25804800, while the sum is 60.

The spelling of 38005620085887 in words is "thirty-eight trillion, five billion, six hundred twenty million, eighty-five thousand, eight hundred eighty-seven".