38889700077 has 4 divisors (see below), whose sum is σ = 51852933440. Its totient is φ = 25926466716.

The previous prime is 38889700039. The next prime is 38889700093. The reversal of 38889700077 is 77000798883.

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 38889700077 - 2⁶ = 38889700013 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 (38889700007) 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, 6481616677 + ... + 6481616682.

It is an arithmetic number, because the mean of its divisors is an integer number (12963233360).

Almost surely, 2^38889700077 is an apocalyptic number.

It is an amenable number.

38889700077 is a deficient number, since it is larger than the sum of its proper divisors (12963233363).

38889700077 is a wasteful number, since it uses less digits than its factorization.

38889700077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12963233362.

The product of its (nonzero) digits is 4741632, while the sum is 57.

The spelling of 38889700077 in words is "thirty-eight billion, eight hundred eighty-nine million, seven hundred thousand, seventy-seven".