83886899 has 4 divisors (see below), whose sum is σ = 86592960. Its totient is φ = 81180840.

The previous prime is 83886889. The next prime is 83886941. The reversal of 83886899 is 99868838.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99868838 = 2 ⋅49934419.

It is a cyclic number.

It is not a de Polignac number, because 83886899 - 2⁴ = 83886883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83886889) 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, 1352984 + ... + 1353045.

It is an arithmetic number, because the mean of its divisors is an integer number (21648240).

Almost surely, 2^83886899 is an apocalyptic number.

83886899 is a deficient number, since it is larger than the sum of its proper divisors (2706061).

83886899 is a wasteful number, since it uses less digits than its factorization.

83886899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706060.

The product of its digits is 5971968, while the sum is 59.

The square root of 83886899 is about 9158.9791461713. The cubic root of 83886899 is about 437.7552669767.

The spelling of 83886899 in words is "eighty-three million, eight hundred eighty-six thousand, eight hundred ninety-nine".