242680778 has 8 divisors (see below), whose sum is σ = 364445568. Its totient is φ = 121198924.

The previous prime is 242680759. The next prime is 242680783. The reversal of 242680778 is 877086242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68576 + ... + 72027.

It is an arithmetic number, because the mean of its divisors is an integer number (45555696).

Almost surely, 2^242680778 is an apocalyptic number.

242680778 is a deficient number, since it is larger than the sum of its proper divisors (121764790).

242680778 is a wasteful number, since it uses less digits than its factorization.

242680778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141468.

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 242680778 is about 15578.2148528000. The cubic root of 242680778 is about 623.7517726384.

The spelling of 242680778 in words is "two hundred forty-two million, six hundred eighty thousand, seven hundred seventy-eight".