383899077 has 6 divisors (see below), whose sum is σ = 554520902. Its totient is φ = 255932712.

The previous prime is 383899057. The next prime is 383899091. The reversal of 383899077 is 770998383.

It can be written as a sum of positive squares in only one way, i.e., 363703041 + 20196036 = 19071^2 + 4494^2 .

It is not a de Polignac number, because 383899077 - 2¹¹ = 383897029 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 (383899007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21327718 + ... + 21327735.

Almost surely, 2^383899077 is an apocalyptic number.

It is an amenable number.

383899077 is a deficient number, since it is larger than the sum of its proper divisors (170621825).

383899077 is a wasteful number, since it uses less digits than its factorization.

383899077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42655459 (or 42655456 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 383899077 is about 19593.3426704072. The cubic root of 383899077 is about 726.7845547266.

The spelling of 383899077 in words is "three hundred eighty-three million, eight hundred ninety-nine thousand, seventy-seven".