42826783 has 4 divisors (see below), whose sum is σ = 43089688. Its totient is φ = 42563880.

The previous prime is 42826747. The next prime is 42826787. The reversal of 42826783 is 38762824.

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

It is a cyclic number.

It is not a de Polignac number, because 42826783 - 2¹³ = 42818591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42826787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131208 + ... + 131533.

It is an arithmetic number, because the mean of its divisors is an integer number (10772422).

Almost surely, 2^42826783 is an apocalyptic number.

42826783 is a deficient number, since it is larger than the sum of its proper divisors (262905).

42826783 is a wasteful number, since it uses less digits than its factorization.

42826783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262904.

The product of its digits is 129024, while the sum is 40.

The square root of 42826783 is about 6544.2175238908. The cubic root of 42826783 is about 349.8687480649.

The spelling of 42826783 in words is "forty-two million, eight hundred twenty-six thousand, seven hundred eighty-three".