83218026 has 48 divisors (see below), whose sum is σ = 179959104. Its totient is φ = 25563648.

The previous prime is 83218021. The next prime is 83218061. The reversal of 83218026 is 62081238.

It is a junction number, because it is equal to n+sod(n) for n = 83217984 and 83218002.

It is not an unprimeable number, because it can be changed into a prime (83218021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 807891 + ... + 807993.

It is an arithmetic number, because the mean of its divisors is an integer number (3749148).

Almost surely, 2^83218026 is an apocalyptic number.

83218026 is an abundant number, since it is smaller than the sum of its proper divisors (96741078).

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

83218026 is a wasteful number, since it uses less digits than its factorization.

83218026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 83218026 is about 9122.3914627690. The cubic root of 83218026 is about 436.5886789095.

The spelling of 83218026 in words is "eighty-three million, two hundred eighteen thousand, twenty-six".