233728077 has 12 divisors (see below), whose sum is σ = 342544160. Its totient is φ = 141653160.

The previous prime is 233728069. The next prime is 233728097. The reversal of 233728077 is 770827332.

It is not a de Polignac number, because 233728077 - 2³ = 233728069 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 (233728097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 321577 + ... + 322302.

Almost surely, 2^233728077 is an apocalyptic number.

It is an amenable number.

233728077 is a deficient number, since it is larger than the sum of its proper divisors (108816083).

233728077 is a wasteful number, since it uses less digits than its factorization.

233728077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643904 (or 643893 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 233728077 is about 15288.1678758444. The cubic root of 233728077 is about 615.9852249858.

The spelling of 233728077 in words is "two hundred thirty-three million, seven hundred twenty-eight thousand, seventy-seven".