83416780 has 12 divisors (see below), whose sum is σ = 175175280. Its totient is φ = 33366704.

The previous prime is 83416741. The next prime is 83416787. The reversal of 83416780 is 8761438.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (83416787) 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, 2085400 + ... + 2085439.

It is an arithmetic number, because the mean of its divisors is an integer number (14597940).

Almost surely, 2^83416780 is an apocalyptic number.

It is an amenable number.

83416780 is an abundant number, since it is smaller than the sum of its proper divisors (91758500).

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

83416780 is a wasteful number, since it uses less digits than its factorization.

83416780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170848 (or 4170846 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 83416780 is about 9133.2787102989. The cubic root of 83416780 is about 436.9359784866.

The spelling of 83416780 in words is "eighty-three million, four hundred sixteen thousand, seven hundred eighty".