42878672855 has 8 divisors (see below), whose sum is σ = 51462089952. Its totient is φ = 34297816608.

The previous prime is 42878672833. The next prime is 42878672861. The reversal of 42878672855 is 55827687824.

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

It is a cyclic number.

It is not a de Polignac number, because 42878672855 - 2¹⁰ = 42878671831 is a prime.

It is a super-2 number, since 2×42878672855² (a number of 22 digits) contains 22 as substring.

It is a Duffinian 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, 603179 + ... + 670508.

It is an arithmetic number, because the mean of its divisors is an integer number (6432761244).

Almost surely, 2^42878672855 is an apocalyptic number.

42878672855 is a deficient number, since it is larger than the sum of its proper divisors (8583417097).

42878672855 is a wasteful number, since it uses less digits than its factorization.

42878672855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280425.

The product of its digits is 60211200, while the sum is 62.

The spelling of 42878672855 in words is "forty-two billion, eight hundred seventy-eight million, six hundred seventy-two thousand, eight hundred fifty-five".