242767788 has 24 divisors (see below), whose sum is σ = 596272320. Its totient is φ = 76663440.

The previous prime is 242767781. The next prime is 242767801. The reversal of 242767788 is 887767242.

It is a self number, because there is not a number n which added to its sum of digits gives 242767788.

It is not an unprimeable number, because it can be changed into a prime (242767781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532158 + ... + 532613.

It is an arithmetic number, because the mean of its divisors is an integer number (24844680).

Almost surely, 2^242767788 is an apocalyptic number.

It is an amenable number.

242767788 is an abundant number, since it is smaller than the sum of its proper divisors (353504532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242767788 is a wasteful number, since it uses less digits than its factorization.

242767788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064797 (or 1064795 counting only the distinct ones).

The product of its digits is 2107392, while the sum is 51.

The square root of 242767788 is about 15581.0072845115. The cubic root of 242767788 is about 623.8263097282.

The spelling of 242767788 in words is "two hundred forty-two million, seven hundred sixty-seven thousand, seven hundred eighty-eight".