38277620709 has 4 divisors (see below), whose sum is σ = 51036827616. Its totient is φ = 25518413804.

The previous prime is 38277620701. The next prime is 38277620807. The reversal of 38277620709 is 90702677283.

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.

It is a cyclic number.

It is not a de Polignac number, because 38277620709 - 2³ = 38277620701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38277620701) 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, 6379603449 + ... + 6379603454.

It is an arithmetic number, because the mean of its divisors is an integer number (12759206904).

Almost surely, 2^38277620709 is an apocalyptic number.

It is an amenable number.

38277620709 is a deficient number, since it is larger than the sum of its proper divisors (12759206907).

38277620709 is a wasteful number, since it uses less digits than its factorization.

38277620709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12759206906.

The product of its (nonzero) digits is 1778112, while the sum is 51.

The spelling of 38277620709 in words is "thirty-eight billion, two hundred seventy-seven million, six hundred twenty thousand, seven hundred nine".