83674387 has 4 divisors (see below), whose sum is σ = 83693160. Its totient is φ = 83655616.

The previous prime is 83674379. The next prime is 83674397. The reversal of 83674387 is 78347638.

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 83674387 - 2³ = 83674379 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83674307) 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, 1539 + ... + 13027.

It is an arithmetic number, because the mean of its divisors is an integer number (20923290).

Almost surely, 2^83674387 is an apocalyptic number.

83674387 is a deficient number, since it is larger than the sum of its proper divisors (18773).

83674387 is a wasteful number, since it uses less digits than its factorization.

83674387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18772.

The product of its digits is 677376, while the sum is 46.

The square root of 83674387 is about 9147.3704964870. The cubic root of 83674387 is about 437.3852969504.

The spelling of 83674387 in words is "eighty-three million, six hundred seventy-four thousand, three hundred eighty-seven".