83366980 has 48 divisors (see below), whose sum is σ = 186157440. Its totient is φ = 31251968.

The previous prime is 83366977. The next prime is 83366999. The reversal of 83366980 is 8966338.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121719 + ... + 122401.

It is an arithmetic number, because the mean of its divisors is an integer number (3878280).

Almost surely, 2^83366980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83366980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93078720).

83366980 is an abundant number, since it is smaller than the sum of its proper divisors (102790460).

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

83366980 is a wasteful number, since it uses less digits than its factorization.

83366980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 83366980 is about 9130.5520095994. The cubic root of 83366980 is about 436.8490105995.

The spelling of 83366980 in words is "eighty-three million, three hundred sixty-six thousand, nine hundred eighty".