38870077 has 4 divisors (see below), whose sum is σ = 39131100. Its totient is φ = 38609056.

The previous prime is 38870059. The next prime is 38870087. The reversal of 38870077 is 77007883.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22174681 + 16695396 = 4709^2 + 4086^2 .

It is a cyclic number.

It is not a de Polignac number, because 38870077 - 2¹¹ = 38868029 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38870057) 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, 130288 + ... + 130585.

It is an arithmetic number, because the mean of its divisors is an integer number (9782775).

Almost surely, 2^38870077 is an apocalyptic number.

It is an amenable number.

38870077 is a deficient number, since it is larger than the sum of its proper divisors (261023).

38870077 is a wasteful number, since it uses less digits than its factorization.

38870077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261022.

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 38870077 is about 6234.5871555380. The cubic root of 38870077 is about 338.7441472643.

The spelling of 38870077 in words is "thirty-eight million, eight hundred seventy thousand, seventy-seven".