83573868 has 24 divisors (see below), whose sum is σ = 222863872. Its totient is φ = 23878224.

The previous prime is 83573851. The next prime is 83573869. The reversal of 83573868 is 86837538.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (83573869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497380 + ... + 497547.

Almost surely, 2^83573868 is an apocalyptic number.

It is an amenable number.

83573868 is an abundant number, since it is smaller than the sum of its proper divisors (139290004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83573868 is a wasteful number, since it uses less digits than its factorization.

83573868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994941 (or 994939 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 83573868 is about 9141.8744248650. The cubic root of 83573868 is about 437.2100814456.

The spelling of 83573868 in words is "eighty-three million, five hundred seventy-three thousand, eight hundred sixty-eight".