202879077242 has 32 divisors (see below), whose sum is σ = 308566486800. Its totient is φ = 100033532928.

The previous prime is 202879077227. The next prime is 202879077299. The reversal of 202879077242 is 242770978202.

It is a Cunningham number, because it is equal to 450421²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 141405329521 + 61473747721 = 376039^2 + 247939^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47971184 + ... + 47975412.

Almost surely, 2^202879077242 is an apocalyptic number.

202879077242 is a deficient number, since it is larger than the sum of its proper divisors (105687409558).

202879077242 is a wasteful number, since it uses less digits than its factorization.

202879077242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5330.

The product of its (nonzero) digits is 1580544, while the sum is 50.

The spelling of 202879077242 in words is "two hundred two billion, eight hundred seventy-nine million, seventy-seven thousand, two hundred forty-two".