83994555 has 8 divisors (see below), whose sum is σ = 134391312. Its totient is φ = 44797088.

The previous prime is 83994541. The next prime is 83994571. The reversal of 83994555 is 55549938.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83994555 - 2¹⁰ = 83993531 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2799804 + ... + 2799833.

It is an arithmetic number, because the mean of its divisors is an integer number (16798914).

Almost surely, 2^83994555 is an apocalyptic number.

83994555 is a deficient number, since it is larger than the sum of its proper divisors (50396757).

83994555 is a wasteful number, since it uses less digits than its factorization.

83994555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599645.

The product of its digits is 972000, while the sum is 48.

The square root of 83994555 is about 9164.8543359947. The cubic root of 83994555 is about 437.9424508947.

The spelling of 83994555 in words is "eighty-three million, nine hundred ninety-four thousand, five hundred fifty-five".