38688077 has 4 divisors (see below), whose sum is σ = 38709276. Its totient is φ = 38666880.

The previous prime is 38688061. The next prime is 38688101. The reversal of 38688077 is 77088683.

38688077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77088683 = 7 ⋅11012669.

It can be written as a sum of positive squares in 2 ways, for example, as 31147561 + 7540516 = 5581^2 + 2746^2 .

It is a cyclic number.

It is not a de Polignac number, because 38688077 - 2⁴ = 38688061 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 (38688007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7574 + ... + 11607.

It is an arithmetic number, because the mean of its divisors is an integer number (9677319).

Almost surely, 2^38688077 is an apocalyptic number.

It is an amenable number.

38688077 is a deficient number, since it is larger than the sum of its proper divisors (21199).

38688077 is a wasteful number, since it uses less digits than its factorization.

38688077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21198.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 38688077 is about 6219.9740353156. The cubic root of 38688077 is about 338.2146233268.

The spelling of 38688077 in words is "thirty-eight million, six hundred eighty-eight thousand, seventy-seven".