38759785797 has 4 divisors (see below), whose sum is σ = 51679714400. Its totient is φ = 25839857196.

The previous prime is 38759785777. The next prime is 38759785819. The reversal of 38759785797 is 79758795783.

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 not a de Polignac number, because 38759785797 - 2⁶ = 38759785733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38759785717) 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, 6459964297 + ... + 6459964302.

It is an arithmetic number, because the mean of its divisors is an integer number (12919928600).

Almost surely, 2^38759785797 is an apocalyptic number.

It is an amenable number.

38759785797 is a deficient number, since it is larger than the sum of its proper divisors (12919928603).

38759785797 is a wasteful number, since it uses less digits than its factorization.

38759785797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12919928602.

The product of its digits is 933508800, while the sum is 75.

The spelling of 38759785797 in words is "thirty-eight billion, seven hundred fifty-nine million, seven hundred eighty-five thousand, seven hundred ninety-seven".