42355827 has 12 divisors (see below), whose sum is σ = 63154624. Its totient is φ = 27326160.

The previous prime is 42355801. The next prime is 42355847. The reversal of 42355827 is 72855324.

42355827 is a `hidden beast` number, since 42 + 35 + 582 + 7 = 666.

It is not a de Polignac number, because 42355827 - 2¹² = 42351731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42355791 and 42355800.

It is not an unprimeable number, because it can be changed into a prime (42355847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75628 + ... + 76185.

Almost surely, 2^42355827 is an apocalyptic number.

42355827 is a deficient number, since it is larger than the sum of its proper divisors (20798797).

42355827 is a wasteful number, since it uses less digits than its factorization.

42355827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151850 (or 151847 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 42355827 is about 6508.1354472691. The cubic root of 42355827 is about 348.5815434943.

The spelling of 42355827 in words is "forty-two million, three hundred fifty-five thousand, eight hundred twenty-seven".