240969977 has 2 divisors, whose sum is σ = 240969978. Its totient is φ = 240969976.

The previous prime is 240969973. The next prime is 240970001. The reversal of 240969977 is 779969042.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240529081 + 440896 = 15509^2 + 664^2 .

It is a cyclic number.

It is not a de Polignac number, because 240969977 - 2² = 240969973 is a prime.

It is not a weakly prime, because it can be changed into another prime (240969973) 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, 120484988 + 120484989.

It is an arithmetic number, because the mean of its divisors is an integer number (120484989).

Almost surely, 2^240969977 is an apocalyptic number.

It is an amenable number.

240969977 is a deficient number, since it is larger than the sum of its proper divisors (1).

240969977 is an equidigital number, since it uses as much as digits as its factorization.

240969977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The square root of 240969977 is about 15523.2076904227. The cubic root of 240969977 is about 622.2825825243.

The spelling of 240969977 in words is "two hundred forty million, nine hundred sixty-nine thousand, nine hundred seventy-seven".