242872879 has 8 divisors (see below), whose sum is σ = 250970112. Its totient is φ = 234792120.

The previous prime is 242872843. The next prime is 242872951. The reversal of 242872879 is 978278242.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242872879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242872979) 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, 30642 + ... + 37744.

It is an arithmetic number, because the mean of its divisors is an integer number (31371264).

Almost surely, 2^242872879 is an apocalyptic number.

242872879 is a deficient number, since it is larger than the sum of its proper divisors (8097233).

242872879 is a wasteful number, since it uses less digits than its factorization.

242872879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8237.

The product of its digits is 903168, while the sum is 49.

The square root of 242872879 is about 15584.3793267489. The cubic root of 242872879 is about 623.9163121591.

The spelling of 242872879 in words is "two hundred forty-two million, eight hundred seventy-two thousand, eight hundred seventy-nine".