38777956 has 24 divisors (see below), whose sum is σ = 77910336. Its totient is φ = 16543200.

The previous prime is 38777953. The next prime is 38777971. The reversal of 38777956 is 65977783.

It is a happy number.

38777956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (38777951) 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 7 ways as a sum of consecutive naturals, for example, 3306 + ... + 9406.

It is an arithmetic number, because the mean of its divisors is an integer number (3246264).

Almost surely, 2^38777956 is an apocalyptic number.

It is an amenable number.

38777956 is an abundant number, since it is smaller than the sum of its proper divisors (39132380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38777956 is a wasteful number, since it uses less digits than its factorization.

38777956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6339 (or 6337 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 52.

The square root of 38777956 is about 6227.1948740986. The cubic root of 38777956 is about 338.4763308485.

The spelling of 38777956 in words is "thirty-eight million, seven hundred seventy-seven thousand, nine hundred fifty-six".