242203877 has 4 divisors (see below), whose sum is σ = 245122080. Its totient is φ = 239285676.

The previous prime is 242203867. The next prime is 242203889. The reversal of 242203877 is 778302242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 778302242 = 2 ⋅389151121.

It is a cyclic number.

It is not a de Polignac number, because 242203877 - 2¹⁰ = 242202853 is a prime.

It is a super-2 number, since 2×242203877² = 117325436067662258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242203847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1458977 + ... + 1459142.

It is an arithmetic number, because the mean of its divisors is an integer number (61280520).

Almost surely, 2^242203877 is an apocalyptic number.

It is an amenable number.

242203877 is a deficient number, since it is larger than the sum of its proper divisors (2918203).

242203877 is an equidigital number, since it uses as much as digits as its factorization.

242203877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918202.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 242203877 is about 15562.9006615091. The cubic root of 242203877 is about 623.3429187871.

The spelling of 242203877 in words is "two hundred forty-two million, two hundred three thousand, eight hundred seventy-seven".