38395835977 has 4 divisors (see below), whose sum is σ = 38414930896. Its totient is φ = 38376741060.

The previous prime is 38395835971. The next prime is 38395836053. The reversal of 38395835977 is 77953859383.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77953859383 = 173617 ⋅448999.

It is a cyclic number.

It is not a de Polignac number, because 38395835977 - 2³ = 38395835969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38395835971) 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 3 ways as a sum of consecutive naturals, for example, 9544443 + ... + 9548464.

It is an arithmetic number, because the mean of its divisors is an integer number (9603732724).

Almost surely, 2^38395835977 is an apocalyptic number.

It is an amenable number.

38395835977 is a deficient number, since it is larger than the sum of its proper divisors (19094919).

38395835977 is a wasteful number, since it uses less digits than its factorization.

38395835977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19094918.

The product of its digits is 171460800, while the sum is 67.

The spelling of 38395835977 in words is "thirty-eight billion, three hundred ninety-five million, eight hundred thirty-five thousand, nine hundred seventy-seven".