230198077 has 2 divisors, whose sum is σ = 230198078. Its totient is φ = 230198076.

The previous prime is 230198011. The next prime is 230198083. The reversal of 230198077 is 770891032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135349956 + 94848121 = 11634^2 + 9739^2 .

It is a cyclic number.

It is not a de Polignac number, because 230198077 - 2²⁷ = 95980349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230198677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115099038 + 115099039.

It is an arithmetic number, because the mean of its divisors is an integer number (115099039).

Almost surely, 2^230198077 is an apocalyptic number.

It is an amenable number.

230198077 is a deficient number, since it is larger than the sum of its proper divisors (1).

230198077 is an equidigital number, since it uses as much as digits as its factorization.

230198077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 230198077 is about 15172.2798880063. The cubic root of 230198077 is about 612.8684015572.

The spelling of 230198077 in words is "two hundred thirty million, one hundred ninety-eight thousand, seventy-seven".