42878277146312 has 16 divisors (see below), whose sum is σ = 80397173326860. Its totient is φ = 21439030925824.

The previous prime is 42878277146267. The next prime is 42878277146321. The reversal of 42878277146312 is 21364177287824.

It can be written as a sum of positive squares in 2 ways, for example, as 33495781302916 + 9382495843396 = 5787554^2 + 3063086^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11750333 + ... + 14960844.

Almost surely, 2^{42878277146312} is an apocalyptic number.

It is an amenable number.

42878277146312 is a deficient number, since it is larger than the sum of its proper divisors (37518896180548).

42878277146312 is a wasteful number, since it uses less digits than its factorization.

42878277146312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26911840 (or 26911836 counting only the distinct ones).

The product of its digits is 50577408, while the sum is 62.

The spelling of 42878277146312 in words is "forty-two trillion, eight hundred seventy-eight billion, two hundred seventy-seven million, one hundred forty-six thousand, three hundred twelve".