83798893 has 4 divisors (see below), whose sum is σ = 86688540. Its totient is φ = 80909248.

The previous prime is 83798881. The next prime is 83798909. The reversal of 83798893 is 39889738.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36505764 + 47293129 = 6042^2 + 6877^2 .

It is a cyclic number.

It is not a de Polignac number, because 83798893 - 2¹³ = 83790701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83798093) 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, 1444780 + ... + 1444837.

It is an arithmetic number, because the mean of its divisors is an integer number (21672135).

Almost surely, 2^83798893 is an apocalyptic number.

It is an amenable number.

83798893 is a deficient number, since it is larger than the sum of its proper divisors (2889647).

83798893 is a wasteful number, since it uses less digits than its factorization.

83798893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889646.

The product of its digits is 2612736, while the sum is 55.

The square root of 83798893 is about 9154.1735290522. The cubic root of 83798893 is about 437.6021299529.

The spelling of 83798893 in words is "eighty-three million, seven hundred ninety-eight thousand, eight hundred ninety-three".