239825077 has 2 divisors, whose sum is σ = 239825078. Its totient is φ = 239825076.

The previous prime is 239825063. The next prime is 239825101. The reversal of 239825077 is 770528932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238671601 + 1153476 = 15449^2 + 1074^2 .

It is a cyclic number.

It is not a de Polignac number, because 239825077 - 2¹⁵ = 239792309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239825017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119912538 + 119912539.

It is an arithmetic number, because the mean of its divisors is an integer number (119912539).

Almost surely, 2^239825077 is an apocalyptic number.

It is an amenable number.

239825077 is a deficient number, since it is larger than the sum of its proper divisors (1).

239825077 is an equidigital number, since it uses as much as digits as its factorization.

239825077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 239825077 is about 15486.2867402099. The cubic root of 239825077 is about 621.2954849313.

The spelling of 239825077 in words is "two hundred thirty-nine million, eight hundred twenty-five thousand, seventy-seven".