83218654 has 8 divisors (see below), whose sum is σ = 125378568. Its totient is φ = 41425800.

The previous prime is 83218633. The next prime is 83218657. The reversal of 83218654 is 45681238.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83218657) 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, 91197 + ... + 92104.

It is an arithmetic number, because the mean of its divisors is an integer number (15672321).

Almost surely, 2^83218654 is an apocalyptic number.

83218654 is a deficient number, since it is larger than the sum of its proper divisors (42159914).

83218654 is a wasteful number, since it uses less digits than its factorization.

83218654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183530.

The product of its digits is 46080, while the sum is 37.

The square root of 83218654 is about 9122.4258835027. The cubic root of 83218654 is about 436.5897771371.

The spelling of 83218654 in words is "eighty-three million, two hundred eighteen thousand, six hundred fifty-four".