230077777 has 4 divisors (see below), whose sum is σ = 230657716. Its totient is φ = 229497840.

The previous prime is 230077759. The next prime is 230077801. The reversal of 230077777 is 777770032.

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 187580416 + 42497361 = 13696^2 + 6519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230077777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230077747) 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, 289374 + ... + 290167.

It is an arithmetic number, because the mean of its divisors is an integer number (57664429).

Almost surely, 2^230077777 is an apocalyptic number.

It is an amenable number.

230077777 is a deficient number, since it is larger than the sum of its proper divisors (579939).

230077777 is an equidigital number, since it uses as much as digits as its factorization.

230077777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579938.

The product of its (nonzero) digits is 100842, while the sum is 40.

The square root of 230077777 is about 15168.3149031130. The cubic root of 230077777 is about 612.7616226233.

The spelling of 230077777 in words is "two hundred thirty million, seventy-seven thousand, seven hundred seventy-seven".