42478611 has 8 divisors (see below), whose sum is σ = 64729344. Its totient is φ = 24273480.

The previous prime is 42478609. The next prime is 42478613. The reversal of 42478611 is 11687424.

It is an interprime number because it is at equal distance from previous prime (42478609) and next prime (42478613).

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

It is not a de Polignac number, because 42478611 - 2¹ = 42478609 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42478613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011375 + ... + 1011416.

It is an arithmetic number, because the mean of its divisors is an integer number (8091168).

Almost surely, 2^42478611 is an apocalyptic number.

42478611 is a deficient number, since it is larger than the sum of its proper divisors (22250733).

42478611 is a wasteful number, since it uses less digits than its factorization.

42478611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022801.

The product of its digits is 10752, while the sum is 33.

The square root of 42478611 is about 6517.5617373371. The cubic root of 42478611 is about 348.9180493017.

The spelling of 42478611 in words is "forty-two million, four hundred seventy-eight thousand, six hundred eleven".