42877986858 has 24 divisors (see below), whose sum is σ = 106174063008. Its totient is φ = 12250853352.

The previous prime is 42877986839. The next prime is 42877986863. The reversal of 42877986858 is 85868977824.

42877986858 is a `hidden beast` number, since 428 + 7 + 7 + 98 + 68 + 58 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170150616 + ... + 170150867.

It is an arithmetic number, because the mean of its divisors is an integer number (4423919292).

Almost surely, 2^42877986858 is an apocalyptic number.

42877986858 is an abundant number, since it is smaller than the sum of its proper divisors (63296076150).

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

42877986858 is a wasteful number, since it uses less digits than its factorization.

42877986858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340301498 (or 340301495 counting only the distinct ones).

The product of its digits is 433520640, while the sum is 72.

The spelling of 42877986858 in words is "forty-two billion, eight hundred seventy-seven million, nine hundred eighty-six thousand, eight hundred fifty-eight".