83288620 has 24 divisors (see below), whose sum is σ = 177305184. Its totient is φ = 32858496.

The previous prime is 83288617. The next prime is 83288641. The reversal of 83288620 is 2688238.

It is a super-3 number, since 3×83288620³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83288620.

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, 27064 + ... + 29983.

It is an arithmetic number, because the mean of its divisors is an integer number (7387716).

Almost surely, 2^83288620 is an apocalyptic number.

It is an amenable number.

83288620 is an abundant number, since it is smaller than the sum of its proper divisors (94016564).

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

83288620 is a wasteful number, since it uses less digits than its factorization.

83288620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57129 (or 57127 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 83288620 is about 9126.2599130202. The cubic root of 83288620 is about 436.7120970027.

The spelling of 83288620 in words is "eighty-three million, two hundred eighty-eight thousand, six hundred twenty".