38280077 has 4 divisors (see below), whose sum is σ = 41760096. Its totient is φ = 34800060.

The previous prime is 38280049. The next prime is 38280083. The reversal of 38280077 is 77008283.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 38280077 - 2⁶ = 38280013 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 (38280577) 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, 1739993 + ... + 1740014.

It is an arithmetic number, because the mean of its divisors is an integer number (10440024).

Almost surely, 2^38280077 is an apocalyptic number.

It is an amenable number.

38280077 is a deficient number, since it is larger than the sum of its proper divisors (3480019).

38280077 is a wasteful number, since it uses less digits than its factorization.

38280077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480018.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 38280077 is about 6187.0895419413. The cubic root of 38280077 is about 337.0214951054.

The spelling of 38280077 in words is "thirty-eight million, two hundred eighty thousand, seventy-seven".