42878535252202 has 8 divisors (see below), whose sum is σ = 69265326176676. Its totient is φ = 19790093193312.

The previous prime is 42878535252053. The next prime is 42878535252253. The reversal of 42878535252202 is 20225253587824.

It can be written as a sum of positive squares in 2 ways, for example, as 41213947596481 + 1664587655721 = 6419809^2 + 1290189^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824587216363 + ... + 824587216414.

Almost surely, 2^{42878535252202} is an apocalyptic number.

42878535252202 is a deficient number, since it is larger than the sum of its proper divisors (26386790924474).

42878535252202 is a wasteful number, since it uses less digits than its factorization.

42878535252202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649174432792.

The product of its (nonzero) digits is 21504000, while the sum is 55.

The spelling of 42878535252202 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred thirty-five million, two hundred fifty-two thousand, two hundred two".