38897547669 has 12 divisors (see below), whose sum is σ = 59142470400. Its totient is φ = 24566872104.

The previous prime is 38897547643. The next prime is 38897547673. The reversal of 38897547669 is 96674579883.

38897547669 is a `hidden beast` number, since 3 + 8 + 8 + 97 + 5 + 476 + 69 = 666.

It is not a de Polignac number, because 38897547669 - 2¹³ = 38897539477 is a prime.

It is a super-2 number, since 2×38897547669² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38897547597 and 38897547606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38897543669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113735349 + ... + 113735690.

It is an arithmetic number, because the mean of its divisors is an integer number (4928539200).

Almost surely, 2^38897547669 is an apocalyptic number.

It is an amenable number.

38897547669 is a deficient number, since it is larger than the sum of its proper divisors (20244922731).

38897547669 is a wasteful number, since it uses less digits than its factorization.

38897547669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227471064 (or 227471061 counting only the distinct ones).

The product of its digits is 548674560, while the sum is 72.

The spelling of 38897547669 in words is "thirty-eight billion, eight hundred ninety-seven million, five hundred forty-seven thousand, six hundred sixty-nine".