42722875878 has 16 divisors (see below), whose sum is σ = 85530113136. Its totient is φ = 14226898400.

The previous prime is 42722875861. The next prime is 42722875891. The reversal of 42722875878 is 87857822724.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3508473 + ... + 3520628.

It is an arithmetic number, because the mean of its divisors is an integer number (5345632071).

Almost surely, 2^42722875878 is an apocalyptic number.

42722875878 is an abundant number, since it is smaller than the sum of its proper divisors (42807237258).

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

42722875878 is a wasteful number, since it uses less digits than its factorization.

42722875878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7030119.

The product of its digits is 28098560, while the sum is 60.

The spelling of 42722875878 in words is "forty-two billion, seven hundred twenty-two million, eight hundred seventy-five thousand, eight hundred seventy-eight".