42286477 has 4 divisors (see below), whose sum is σ = 42301980. Its totient is φ = 42270976.

The previous prime is 42286469. The next prime is 42286499. The reversal of 42286477 is 77468224.

42286477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18139081 + 24147396 = 4259^2 + 4914^2 .

It is a cyclic number.

It is not a de Polignac number, because 42286477 - 2³ = 42286469 is a prime.

It is a super-2 number, since 2×42286477² = 3576292274143058, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42286427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2452 + ... + 9517.

It is an arithmetic number, because the mean of its divisors is an integer number (10575495).

Almost surely, 2^42286477 is an apocalyptic number.

It is an amenable number.

42286477 is a deficient number, since it is larger than the sum of its proper divisors (15503).

42286477 is a wasteful number, since it uses less digits than its factorization.

42286477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15502.

The product of its digits is 150528, while the sum is 40.

The square root of 42286477 is about 6502.8053177071. The cubic root of 42286477 is about 348.3911931745.

The spelling of 42286477 in words is "forty-two million, two hundred eighty-six thousand, four hundred seventy-seven".