83858427 has 12 divisors (see below), whose sum is σ = 121238520. Its totient is φ = 55855008.

The previous prime is 83858389. The next prime is 83858429. The reversal of 83858427 is 72485838.

It is not a de Polignac number, because 83858427 - 2¹¹ = 83856379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83858429) 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, 8199 + ... + 15327.

It is an arithmetic number, because the mean of its divisors is an integer number (10103210).

Almost surely, 2^83858427 is an apocalyptic number.

83858427 is a deficient number, since it is larger than the sum of its proper divisors (37380093).

83858427 is a wasteful number, since it uses less digits than its factorization.

83858427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8442 (or 8439 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 83858427 is about 9157.4246925650. The cubic root of 83858427 is about 437.7057352918.

The spelling of 83858427 in words is "eighty-three million, eight hundred fifty-eight thousand, four hundred twenty-seven".