42868931278 has 4 divisors (see below), whose sum is σ = 64303396920. Its totient is φ = 21434465638.

The previous prime is 42868931269. The next prime is 42868931291. The reversal of 42868931278 is 87213986824.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10717232818 + ... + 10717232821.

It is an arithmetic number, because the mean of its divisors is an integer number (16075849230).

Almost surely, 2^42868931278 is an apocalyptic number.

42868931278 is a deficient number, since it is larger than the sum of its proper divisors (21434465642).

42868931278 is a wasteful number, since it uses less digits than its factorization.

42868931278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21434465641.

The product of its digits is 9289728, while the sum is 58.

The spelling of 42868931278 in words is "forty-two billion, eight hundred sixty-eight million, nine hundred thirty-one thousand, two hundred seventy-eight".