242677983 has 4 divisors (see below), whose sum is σ = 323570648. Its totient is φ = 161785320.

The previous prime is 242677961. The next prime is 242677987. The reversal of 242677983 is 389776242.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 242677983 - 2¹² = 242673887 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 (242677987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40446328 + ... + 40446333.

It is an arithmetic number, because the mean of its divisors is an integer number (80892662).

Almost surely, 2^242677983 is an apocalyptic number.

242677983 is a deficient number, since it is larger than the sum of its proper divisors (80892665).

242677983 is an equidigital number, since it uses as much as digits as its factorization.

242677983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80892664.

The product of its digits is 1016064, while the sum is 48.

The square root of 242677983 is about 15578.1251439318. The cubic root of 242677983 is about 623.7493780072.

The spelling of 242677983 in words is "two hundred forty-two million, six hundred seventy-seven thousand, nine hundred eighty-three".