242870428879 has 16 divisors (see below), whose sum is σ = 262018915200. Its totient is φ = 223788913920.

The previous prime is 242870428819. The next prime is 242870428883. The reversal of 242870428879 is 978824078242.

It is not a de Polignac number, because 242870428879 - 2¹¹ = 242870426831 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 (242870428819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18089589 + ... + 18103009.

It is an arithmetic number, because the mean of its divisors is an integer number (16376182200).

Almost surely, 2^242870428879 is an apocalyptic number.

242870428879 is a deficient number, since it is larger than the sum of its proper divisors (19148486321).

242870428879 is a wasteful number, since it uses less digits than its factorization.

242870428879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15810.

The product of its (nonzero) digits is 28901376, while the sum is 61.

The spelling of 242870428879 in words is "two hundred forty-two billion, eight hundred seventy million, four hundred twenty-eight thousand, eight hundred seventy-nine".