242461779 has 32 divisors (see below), whose sum is σ = 383616000. Its totient is φ = 133279104.

The previous prime is 242461759. The next prime is 242461781. The reversal of 242461779 is 977164242.

It is not a de Polignac number, because 242461779 - 2⁸ = 242461523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242461779.

It is not an unprimeable number, because it can be changed into a prime (242461759) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218077 + ... + 219185.

It is an arithmetic number, because the mean of its divisors is an integer number (11988000).

Almost surely, 2^242461779 is an apocalyptic number.

242461779 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

242461779 is a deficient number, since it is larger than the sum of its proper divisors (141154221).

242461779 is a wasteful number, since it uses less digits than its factorization.

242461779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507.

The product of its digits is 169344, while the sum is 42.

The square root of 242461779 is about 15571.1842516875. The cubic root of 242461779 is about 623.5640883253.

The spelling of 242461779 in words is "two hundred forty-two million, four hundred sixty-one thousand, seven hundred seventy-nine".