42586678 has 8 divisors (see below), whose sum is σ = 64598040. Its totient is φ = 21054000.

The previous prime is 42586603. The next prime is 42586729. The reversal of 42586678 is 87668524.

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, 119448 + ... + 119803.

It is an arithmetic number, because the mean of its divisors is an integer number (8074755).

Almost surely, 2^42586678 is an apocalyptic number.

42586678 is a deficient number, since it is larger than the sum of its proper divisors (22011362).

42586678 is a wasteful number, since it uses less digits than its factorization.

42586678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239342.

The product of its digits is 645120, while the sum is 46.

The square root of 42586678 is about 6525.8469182168. The cubic root of 42586678 is about 349.2136851171.

It can be divided in two parts, 42586 and 678, that added together give a square (43264 = 208²).

The spelling of 42586678 in words is "forty-two million, five hundred eighty-six thousand, six hundred seventy-eight".