42657928678 has 8 divisors (see below), whose sum is σ = 64170237600. Its totient is φ = 21267849480.

The previous prime is 42657928637. The next prime is 42657928693. The reversal of 42657928678 is 87682975624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 30556558 + ... + 30557953.

It is an arithmetic number, because the mean of its divisors is an integer number (8021279700).

Almost surely, 2^42657928678 is an apocalyptic number.

42657928678 is a deficient number, since it is larger than the sum of its proper divisors (21512308922).

42657928678 is a wasteful number, since it uses less digits than its factorization.

42657928678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61114862.

The product of its digits is 81285120, while the sum is 64.

The spelling of 42657928678 in words is "forty-two billion, six hundred fifty-seven million, nine hundred twenty-eight thousand, six hundred seventy-eight".