238650877 has 2 divisors, whose sum is σ = 238650878. Its totient is φ = 238650876.

The previous prime is 238650859. The next prime is 238650883. The reversal of 238650877 is 778056832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210656196 + 27994681 = 14514^2 + 5291^2 .

It is a cyclic number.

It is not a de Polignac number, because 238650877 - 2¹⁵ = 238618109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238650827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119325438 + 119325439.

It is an arithmetic number, because the mean of its divisors is an integer number (119325439).

Almost surely, 2^238650877 is an apocalyptic number.

It is an amenable number.

238650877 is a deficient number, since it is larger than the sum of its proper divisors (1).

238650877 is an equidigital number, since it uses as much as digits as its factorization.

238650877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 238650877 is about 15448.3292624154. The cubic root of 238650877 is about 620.2798571825.

The spelling of 238650877 in words is "two hundred thirty-eight million, six hundred fifty thousand, eight hundred seventy-seven".