38924650577 has 4 divisors (see below), whose sum is σ = 38925574500. Its totient is φ = 38923726656.

The previous prime is 38924650537. The next prime is 38924650579. The reversal of 38924650577 is 77505642983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77505642983 = 2861 ⋅27090403.

It can be written as a sum of positive squares in 2 ways, for example, as 412943041 + 38511707536 = 20321^2 + 196244^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38924650577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38924650579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395588 + ... + 484085.

It is an arithmetic number, because the mean of its divisors is an integer number (9731393625).

Almost surely, 2^38924650577 is an apocalyptic number.

It is an amenable number.

38924650577 is a deficient number, since it is larger than the sum of its proper divisors (923923).

38924650577 is an equidigital number, since it uses as much as digits as its factorization.

38924650577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923922.

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 38924650577 in words is "thirty-eight billion, nine hundred twenty-four million, six hundred fifty thousand, five hundred seventy-seven".