42878276871388 has 48 divisors (see below), whose sum is σ = 86973462553600. Its totient is φ = 18116342038080.

The previous prime is 42878276871379. The next prime is 42878276871431. The reversal of 42878276871388 is 88317867287824.

It is a Harshad number since it is a multiple of its sum of digits (79).

It is a congruent number.

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, 13200798 + ... + 16125061.

Almost surely, 2^{42878276871388} is an apocalyptic number.

It is an amenable number.

42878276871388 is an abundant number, since it is smaller than the sum of its proper divisors (44095185682212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42878276871388 is a wasteful number, since it uses less digits than its factorization.

42878276871388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29326610 (or 29326608 counting only the distinct ones).

The product of its digits is 3236954112, while the sum is 79.

The spelling of 42878276871388 in words is "forty-two trillion, eight hundred seventy-eight billion, two hundred seventy-six million, eight hundred seventy-one thousand, three hundred eighty-eight".